Getting an error The matching field you chose (Name) is not mapped and is required for an Update and Insert operation.
Any help how to fix this error Thankful  for any guidance

In some instances, a case must automatically escalate. Create a workflow rule that will set the escalated flag and send a task to the case owner if a case is not closed and its priority is set to High.

NOTE: Since Workflow rules only fire on record save, normally you would implement this with a time-triggered workflow action.

The workflow rule must be called 'Case Escalate on High Priority'.
The workflow rule must be tied to Case and fire when it is not closed and the Priority is updated to 'High'.
The workflow rule must evaluate on create and when is doesn't meet the criteria but is edited to meet the criteria.
The rule should fire a Field Update action called 'Set Case to Escalated'.
The Field Update action must set the 'Escalated' checkbox field to true.
The rule should fire an Assign Task action with a subject of 'Follow Up on Escalated Case'.
The Assign Task action must assign a task to the owner of the Case.
The Task should have a due date of 'Rule Trigger Date', status 'Not Started' and Priority 'Normal'.

I am having trouble Creating a workflow rule field for this challenge. Can someone please let me know what FIELD, OPERATOR AND VALUE I am suppose to create for this workflow to work 

I am not able to understand the below challenge

The Marketing Coordinator and Account Manager both require access to view and update Account Records, but only the Account Manager should be able to see and edit certain fields. Specifically, only the Account Manager should be able to see and edit the Rating field. The Marketing Coordinator should not be able to see or edit the Rating field. Create one profile and one permission set with the appropriate field-level security to solve for this use case.The profile must be named 'Basic Account User' and result in an API name of 'Basic_Account_User'. It should use the 'Salesforce' user license type.
The permission set must be named ‘Account Rating’ and result in an API name of 'Account_Rating'.