Message type: E = Error
Message class: SUI2_CATALOG_PFCG - Messages of Catalog Providers
Message number: 004
Message text: Error during existence check of function module &1 at RFC destination &2
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The SAP error message SUI2_CATALOG_PFCG004 indicates that there is an issue with the existence check of a function module at a specified RFC (Remote Function Call) destination. This error typically arises in the context of role management and authorization checks in SAP, particularly when using transaction codes related to role maintenance (like PFCG).
Cause: Function Module Not Found: The function module specified in the error message (&1) does not exist in the system or is not available in the specified RFC destination (&2). RFC Destination Issues: The RFC destination may not be correctly configured, or there may be connectivity issues between the systems. Authorization Issues: The user executing the transaction may not have the necessary authorizations to access the function module. Transport Issues: If the function module was recently transported, it may not have been activated or may not exist in the target system.
Solution: Check Function Module: Verify that the function module exists in the system.
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