• Ranjana N Nadiger
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Developer Beginner > Platform Development Basics > Get Started with Salesforce Platform

As indicated in the instruction, I created new Trealhead Playground and tried to install DreamHouse app. Then I encountered a problem. I appreciate if someone can guide me to at where I should look into to resolve the issue.

The installation page
*Choosing "Rename configuraiton ..." option also ended up on the same error screen.
User-added image
The error page

I have also recieved an email regarding this error:
Your request to install package "DreamHouse Summer 2017" was unsuccessful. None of the data or setup information in your salesforce.com organization was affected.
 
If your install continues to fail, contact Salesforce CRM Support through your normal channels and provide the following information.
 
Organization: 
User: Shinichi Hashitani
Package: DreamHouse (04tB00000009UeX)
 
Problem:
 
1. (Command_Center) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:PropertyListDaysOnMarketChart.".
 
2. (Einstein_Vision) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:EinsteinVisionDashboard.".
 
3. (House_Explorer1) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:EinsteinVisionCard.".
 
4. (Property_Explorer) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:PriceRange.".
 
5. (Property_Record_Page) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:PropertyDaysOnMarketChart.".
 
6. (dreamhouseApplicationUtilityBar) Validation Errors While Saving Record(s) There were custom validation error(s) encountered while saving the affected record(s). The first validation error encountered was "You must have My Domain deployed to use component c:Bot.".
  • July 03, 2017
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Trailhead Lesson reference: https://trailhead.salesforce.com/projects/quickstart-lightning-experience-sales/steps/qs-lex-sales-4
The lesson is a carryover from a prior lesson: https://trailhead.salesforce.com/projects/quickstart-lightning-experience-sales/steps/qs-lex-sales-3

therefore the source of the record created came from the qs-lex-sales-3. I found that when I tried to submit for challenge I get the following error:
Challenge Not yet complete... here's what's wrong: 
The record was not created correctly.


This does not make sense when the prior record was created by prior lesson and now has a problem to complete the existing? The instructions show the following update to the record name: 10,000 Units (Opportunity)

1. Amount from 100,000 to 120,000
2  Close date. (to present date).
3. Stage from 10 prospecting to 100% -Closed/Won.
opportunity from close your deal exercise
Appreciate feedback.
Thanks, Fred Flores 

Trying to complete the "HUNT YOUR PROSPECT" unit, getting the following error message when i try to complete the creation of the Opportunity:

"Challenge Not yet complete... here's what's wrong: The record was not created correctly"
Unless there are invisible steps in this Trailhead, I have completed them all.
Is it possible this trailhead has an error?