I had a previous question answered in regards to mapping the contact name to the correct contact field in the case through the relationship mappings. Unfortunately, now I'm noticing that the mapping between the contact name and the customerID field is still present. When I try to delete that mapping it will not let me. Is there any way for me to modify the existing mapping between contact and account(customerID) or delete it? There is another field in the contact entity (company name) I would ideally like to pass through to the account(customerID) field in the case.
Previous Case for reference: https://community.dynamics.com/crm/f/117/t/203664
When I try to delete the mapping that brings the contact's name into the case's account (customerID) field, here is a excerpt of the error log file that is generated.
Unhandled Exception: System.ServiceModel.FaultException
<ErrorCode>-2147196411</ErrorCode>
<Message>Cannot create or delete a system AttributeMap.</Message>
Is there any way to get the mapping I want with the contacts agency name populating the cases account field, or is this a system mapping that I'm just stuck with?