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Maya ChoudhuryMaya Choudhury 

Need help with installing the "DreamHouse Summer 2017" package. where can I find the relationship "Favorites__r" which is already used by custom field Favorite__c. Property__c. Existing relationship name needs to be renamed

SandhyaSandhya (Salesforce Developers) 
Hi,
What I believe is that the package may have already been installed on your Org.
To check the same, follow below steps:
1. In setup, type installed package
2. Check if you already have Dreamhouse package there

If not, then the relationship used in this package are already being used by your org metadata. You can either delete these relationships or install the package in other fresh developer Org.

Also try to install in new trailhead playground with the following steps.

1.Log into trailhead.
 
2.Create new trailhead playground, select it and click "Launch your hands on org"
 
3.Refer below link and get trailhead playground username and password.
 
https://force.desk.com/customer/portal/articles/2659738-how-to-get-a-password-for-my-trailhead-playground?b_id=13478


 
4.Log into App Exchange from another browser or copy paste the download link in an incognito window.
 
5.Install in production by providing trailhead playground credentials.
 
6.Click on "Launch" and check in trailhead playground if App is installed and then check for challenge.

Please mark it as solved if my reply was helpful. It will make it available for other as the proper solution.
 
Best Regards
Sandhya
Maya ChoudhuryMaya Choudhury
Hi Sandhya, Thanks a lot for responding. I have deleted the custom Favorite and Property objects and I always launch it with a new trailhead developer playground. But nothing helps. Can you let me know how can I get to this "Favorite__r" object?
Rahul Jain 152Rahul Jain 152
HI @Maya have you got any solutions for the upper query ?