User cannot run an import for new or update existing records. The exact error messages are one of the following:
You do not have permission to update records for this import type.
You do not have permission to add records for this import type.
This message will appear when the option 'other users may run this import' has been unchecked, to resolve it:
1. Open the import causing the message by the person who created it 2. Go to File, Save As and check the option 'Other users may run this import' and Save 3. Close the import and the other user can now run it