How To Fix TPM_TRAC1711 - No new acc. assignment ref. found for &1 in co. code &2 for cont. type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM_TRAC1 - Treasury: Messages on Accounting Adaptor

• Message number: 711

• Message text: No new acc. assignment ref. found for &1 in co. code &2 for cont. type &3

What causes this issue?

No new account assignment reference was found for the old account
assignment reference &V1& in company code &V2& and contract type &V3&.

How to fix this error?

Check if the account assignment references have already been migrated.
Also ensure that &V1& in the old Customizing is defined before you
attempt to migrate the account assignment references.

Error message extract from SAP system. Copyright SAP SE.