No ship-to party defined in Table T321 for ref. movement type &

IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.

What causes this issue?

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

System Response

How to fix this error?

Check the table for assigning reference movement type links from MM to
WM in <DS:SIMG.SIMG_CFMENUOLMLOMLR>Customizing</> and make additional
entries as necessary.
ENDIF.

Error message extract from SAP system. Copyright SAP SE.