Set print setup to "print row by row"

What causes this issue?

The list header is larger than the layout allows. This normally leads
to a system dump unless intercepted by a warning.

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

System Response

Function was terminated.

How to fix this error?

Choose the menu option "Print row by row" either in the report
definition or from the report list under the menu "Report -> Print
setup". This reduces the size of the list header considerable, thus
avoiding the abend.
<DS:TRAN.KDNN>Check report</>
It is generally recommended that you choose "Print row by row" for
reports which produce a header of more than three lines. Otherwise
the list becomes difficult to interpret.

Error message extract from SAP system. Copyright SAP SE.