Error in assigning the tax group

What causes this issue?

To guarantee a connection between the automatically created tax items,
the initiating line items, and the tax information used for reporting,
a unique code is assigned to the line items belonging together. An
error occurred during this assignment.

System Response

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

How to fix this error?

INCLUDE NA_SYSADMIN1

Procedure for System Administrators

Create an OSS message.

Error message extract from SAP system. Copyright SAP SE.