Error "The requested Operation Failed" when assigning TBC to Customer Account.

Description

Error "The requested Operation Failed" when assigning TBC to Customer Account.
Environment : PROD
Store : Example 01614, Multiple Stores
 Steps
1. Navigate to Store
2. Navigate to URL https://inform.cfahome.com/mms_logon.aspx?bypass_sso=true
3. Click on the Workflow > TBC
4. Click the edit icon for transaction 8097064 and select account CFA Delivery and save 
Results : The requested operation failed

Expected : Account name to save to the TBC without error 

Attached Elmah errors