The maintenance dialog for & is incomplete or not defined

What causes this issue?

The called function with table or view &V1& requires a special
maintenance dialog. However, this is incomplete or does not exist.

System Response

The called function cannot be performed.
IF &[SWITCH]S4H_DOCU_CLOUD& = 'X'
ELSE

How to fix this error?

<DS:TRAN.SE54>Generate the required maintenance dialog. </>
ENDIF

Error message extract from SAP system. Copyright SAP SE.