SAP Message C$645 - Parameter input not possible; value asst types specified in Customizing

Diagnosis
In Customizing, the value assignment types for which the SAP systemoutputs values are predefined in the environment parameters for the userexits.

Procedure
If you want to change the value assignment types, notify your systemadministrator.

Procedure for System Administration
INCLUDE EHS_NA_CHECK_CUSTOMIZING OBJECT DOKU ID TX