Error in customer implementation BAdI 'FDM_AR_CCM_ASSIGN_CM'

trados = fn

What causes this issue?

You have made an invalid change in your implementation of the BAdI
'FDM_AR_CCM_ASSIGN_CM'. You have either added a new line to table
CT_ASSIGNED_DEBIT_KEYS or deleted an existing line. This means that
after you call your implementation there are either more or fewer lines
in table CT_ASSIGNED_DEBIT_KEYS.

System Response

The process is terminated.

How to fix this error?

Check and correct your implementation. See the documentation of the BAdI
<DS:SIMG.FDM_AR_CCM_ASSIGN_CM>FDM_AR_CCM_ASSIGN_CM</>.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.