Diagnosis
The method definition in transaction RZ21 (alert monitor methods)specified that a function module should be called to change the URLspecified in the definition. The specification is made with the methoddefinition parameter PARAMETER_FUBA and the name of the function moduleto call. Such function modules can be used, for example, to addparameters to a script that is to be called by way of a URL.

System Response
The URL that was specified in the method definition will be passedwithout alteration to the browser.

Procedure
Ensure that the function module is available in the SAP system in whichyou are working and that the function module has been activated.