Resolving Error The User License Doesn’t Allow the Permission

#1MinuteTip When assiging permission set to integration user in Salesforce having the free “Salesforce Integration” license, you may get the error “The user license doesn’t allow the permission” or “User license doesn’t allow app permissions”. Like the one shown below:

To resovle this error assign the integration user “Salesforce API Integration” permission set license first.

On the user record, click on “Edit Assignments” under “Permission Set License Assignments”.

Select the “Salesforce API Integration” and click save.

And now you should be able to assign the permission set without any problem.