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Kulsum Patel 14Kulsum Patel 14 

We can't save this record because the “New Class Sessions” process failed. Give your Salesforce admin these details. An error occurred when executing a flow interview.


Hi all,
I am not able to clear this challenge. Please advise. https://trailhead.salesforce.com/content/learn/projects/workshop_mgmt/workshop_mgmt_flow

User-added imageUser-added imageUser-added image
Kulsum Patel 14Kulsum Patel 14
P.S I verified that there no validation rules and no triggers on Account, Contact and Campaign Objects.
PrabhaPrabha
Do you have that Chapter__C populated?
Kulsum Patel 14Kulsum Patel 14
Yes Prabha.
PrabhaPrabha
Can you set debug logs and see where exactly it is failing...?

Make suer to have Finest logs set up.
Kulsum Patel 21Kulsum Patel 21
I don't see Loop Variable in my playground where as in trailhead it is shown as in second screenshot. How to resolve this?

Trailhead :User-added imageUser-added image
Kulsum Patel 21Kulsum Patel 21
Hi Prabha,
Please find the debug logs when I try to create a campaign record in the NYC Chapter account:

Error element myRule_1_A2 (FlowActionCall).
An error occurred when executing a flow interview.

Flow Details
Flow API Name: New_Class_Sessions
Type: Record Change Process
Version: 8
Status: Active
Org: tcs (00D3t000003yAf5)

Flow Interview Details
Interview Label: New_Class_Sessions-8_InterviewLabel
Current User: suhel patel (0053t000006zySG)
Start time: 2020-08-14, 8:10 p.m.
Duration: 0 seconds

How the Interview Started
suhel patel (0053t000006zySG) started the flow interview.
Some of this flow's variables were set when the interview started.
myVariable_old = null
myVariable_current = Campaign (7013t000001gPF8AAM)

DECISION: myDecision
Outcome executed: myRule_1
Outcome conditions:
{!myVariable_current.Type} (Dev Class) Equals Dev Class

POST TO CHATTER: myRule_1_A1
Inputs:
text = HELP WANTED! I'm looking for Teaching Assistant volunteers for a {!myVariable_current.Name} class taught by {!myVariable_current.Instructor__r.FirstName} {!myVariable_current.Instructor__r.LastName} on {!myVariable_current.StartDate}! Please email me at {!myVariable_current.Owner.Email} if you are interested. (HELP WANTED! I'm looking for Teaching Assistant volunteers for a coding class class taught by Mary Jones on August 14, 2020! Please email me at kulsumpatel910@gmail.com if you are interested.)
type = GROUP
subjectNameOrId = 0F93t000000XcV5CAK
Outputs:
None.

ADD_CHAPTER_TAS_TO_CLASS_SESSION (FLOWS): myRule_1_A2
Inputs:
AccountIDFromPB = {!myVariable_current.Chapter__c} (0013t00001ZiZP6AAN)
CampaignIDFromPB = {!myVariable_current.Id} (7013t000001gPF8AAM)

Error Occurred: An error occurred when executing a flow interview.


Salesforce Error ID: 737864418-120430 (495293963)

thanks
Kulsum
Kulsum Patel 21Kulsum Patel 21
Additional error on click of challenge verification:
Error element Create_Campaign_Members_for_TAs (FlowRecordCreate).
This error occurred when the flow tried to create records: REQUIRED_FIELD_MISSING: Attempted to add a campaign member where either the member id 'null' or the campaign id '7013t000001gPF8' is null.. You can look up ExceptionCode values in the SOAP API Developer Guide.---This error occurred when the flow tried to create records: REQUIRED_FIELD_MISSING: Attempted to add a campaign member where either the member id 'null' or the campaign id '7013t000001gPF8' is null.. You can look up ExceptionCode values in the SOAP API Developer Guide.---This error occurred when the flow tried to create records: REQUIRED_FIELD_MISSING: Attempted to add a campaign member where either the member id 'null' or the campaign id '7013t000001gPF8' is null.. You can look up ExceptionCode values in the SOAP API Developer Guide.---This error occurred when the flow tried to create records: REQUIRED_FIELD_MISSING: Attempted to add a campaign member where either the member id 'null' or the campaign id '7013t000001gPF8' is null.. Yo
Kulsum Patel 21Kulsum Patel 21
Flow Details
Flow API Name: Add_Chapter_TAs_to_Class_Session
Type: Autolaunched Flow
Version: 5
Status: Active
Org: tcs (00D3t000003yAf5)

Flow Interview Details
Interview Label: Add Chapter TAs to Class Session 2020-08-14, 8:10 p.m.
Current User: suhel patel (0053t000006zySG)
Start time: 2020-08-14, 8:10 p.m.
Duration: 0 seconds

How the Interview Started
suhel patel (0053t000006zySG) started the flow interview.
Some of this flow's variables were set when the interview started.
CampaignIDFromPB = 7013t000001gPF8AAM
AccountIDFromPB = 0013t00001ZiZP6AAN

FAST LOOKUP: Find_Chapter_TAs
Find all Contact records.
Store the values of these fields in Find_Chapter_TAs: Id
Result
Successfully found records.

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 0
Current iteration item: 0033t000035NNfoAAG

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 1
Current iteration item: 0033t000035NNftAAG

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 2
Current iteration item: 0033t000035rOrcAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 3
Current iteration item: 0033t000035rOrdAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 4
Current iteration item: 0033t000035rOreAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 5
Current iteration item: 0033t000035rOrfAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 6
Current iteration item: 0033t000035rOrgAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 7
Current iteration item: 0033t000035rOrhAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 8
Current iteration item: 0033t000035rOriAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 9
Current iteration item: 0033t000035rOrjAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 10
Current iteration item: 0033t000035rOrkAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 11
Current iteration item: 0033t000035rOrlAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 12
Current iteration item: 0033t000035rOrmAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 13
Current iteration item: 0033t000035rOrnAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 14
Current iteration item: 0033t000035rOroAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AAM"

ASSIGNMENT: Populate_the_Campaign_Member_Collection
{!TACampaignMembers} Add {!CampaignMemberRecord}
Result
{!TACampaignMembers} = "[CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID),CampaignMember (No ID)]"

LOOP: Loop_through_contacts
Loop Through: [0033t000035NNfoAAG,0033t000035NNftAAG,0033t000035rOrcAAE,0033t000035rOrdAAE,0033t000035rOreAAE,0033t000035rOrfAAE,0033t000035rOrgAAE,0033t000035rOrhAAE,0033t000035rOriAAE,0033t000035rOrjAAE,0033t000035rOrkAAE,0033t000035rOrlAAE,0033t000035rOrmAAE,0033t000035rOrnAAE,0033t000035rOroAAE,0033t000035rOrpAAE,0033t000035rOrqAAE,0033t000035rOrrAAE,0033t000035rOrsAAE,0033t000035rOrtAAE,0033t000035rOruAAE,0033t000035rOrvAAE]
Iteration: 15
Current iteration item: 0033t000035rOrpAAE

ASSIGNMENT: Map_Contact_ID_to_Campaign_Member
{!CampaignMemberRecord.ContactId} Equals {!ContactRecord.Id}
{!CampaignMemberRecord.CampaignId} Equals {!CampaignIDFromPB}
Result
{!CampaignMemberRecord.ContactId} = "null"
{!CampaignMemberRecord.CampaignId} = "7013t000001gPF8AA
Kulsum Patel 21Kulsum Patel 21
So I am able to resolve it now using by updating to  {!CampaignMemberRecord.ContactId}  equals to {!Loop_through_contacts.Id} 
Map Contact ID to Campaign Member

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