Message SAP /BEF/GENERATOR155 - Interface function &2 for function module &1 does not exist

Diagnosis Interface function module &V2& that is stored in metadata for functionV1 does not exist. The interfaces for the function modules that need to be generated aregenerated using interface modules. The name of the interface modules isstored in the metadata. System Response Function module &V1& is not generated. Procedure RESET N1 Check whether the name of function module &V1& is correct. If the name of the function module is correct, check whether functionmodule &V1& exists. If the function module exists, contact your system administrator. If the function module does not exist, correct the entry in themetadata. Procedure for System Administration Check the application structure in Customizing in theCall BE Navigator activity.