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Megan RuncimanMegan Runciman 

Trying to Integrate Mailchimp & Salesforce but some of the process has already been done incorrectly


I am trying to use the guides to integrate Salesforce & Mailchimp, however some of the work has already been started and I cannot go back.

I am receiving the following error when at the Mappings stage;

"Modify" permission to field "MC4SF__Prompt_For_Full_Sync__c" on object "MC4SF__MC_List__c" is not allowed for the current user.
Error is in expression '{!saveStep3}' in page mc4sf:install: (MC4SF)
An unexpected error has occurred. Your solution provider has been notified. (MC4SF)

Please help!
Best Answer chosen by Megan Runciman
ShivankurShivankur (Salesforce Developers) 
Hi Megan,

Looking at the error, it looks like there is permission issue with the field from an object came via managed package.  You can manage to report this with managed package provider and they could be able to able to provide a resolution. 

Since, managed package provider would have full access to the code and functionality, they should be able to provide some suggestion on this.

You could also get in touch with them via below link:

Hope above information helps. Please mark as Best Answer so that it can help others in future.