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Brad ThompsonBrad Thompson 

Package fails to install when I added a trigger. Removal of trigger still causes failure.

I created a managed package which uploaded sucessfully and installed without errors on a test environment.  I then created a trigger and added it to the package and it uploaded without errors.  However, when I went to install the package it failed.  I removed the trigger from my package, uploaded the package and tried to install again but I'm still getting install failures.  Error:  If this error persists, contact salesforce.com Support through your normal channels and reference number: 170191886-15783 (1983587186)

If I know the exact item(trigger) that is causing the failure, how is it that removing it is still causing failures?  Does anyone know how to fix this?  Thanks.
 
SonamSonam (Salesforce Developers) 
I checked the app logs and am getting the following error:
[Yesmail_Interactive: Permission Create yesmail__Contact_Subscription__c depends on permission(s): Read Contact: Yesmail_Interactive: Permission Create yesmail__Contact_Subscription__c depends on permission(s): Read Contact]

Seems to be a permission issue on Contact object..can you check this pls?