How To Fix TPM_TRM1110 - Internal error; in a business trans. the security doc. no. is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM_TRM1 - Migration 4.6 - CFM 1.0

• Message number: 110

• Message text: Internal error; in a business trans. the security doc. no. is not unique

What causes this issue?

The accounting adapter is in migration mode for futures migration.
Legacy data for a business transaction with business transaction ID
&V1& was read. However, the security document number is not unique.

System Response

The activity was canceled.

How to fix this error?

This is a serious error. Contact SAP.

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.