If the e-mail template used in the response is contained in a folder to which the user does not have access - error - insufficient access rights on cross-reference id

If the e-mail template used in the response is contained in a folder to which the user does not have access - error - insufficient access rights on cross-reference id

Solution - Check the folder permissions for the folder that contains this e-mail template; ensure that the user making the API call has permissions to access this folder.