An internal error has occurred (&)

Message type: E = Error

Message class: L3 -

Message number: 034

Message text: An internal error has occurred (&)



What causes this issue?

The number enclosed in parentheses in the error message is not
supported in Screen-Group4 for field selection.


How to fix this error?

INCLUDE SY_VE_HOLEN OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.