Invalid line category & (internal error)

Message type: E = Error

Message class: MN - Message class for subsequent settlement (Purchasing)

Message number: 403

Message text: Invalid line category & (internal error)



What causes this issue?

There is an indicator for each list line. This controls which function
is performed when the line is selected.
However, indicator &V1& is not allowed.


How to fix this error?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.