How To Fix FKK_CRM028 - System error calling RFC module &1 with destination &2

FKK_CRM028 - Overview

• Message type: E = Error

• Message class: FKK_CRM - Messages for FI-CA CRM Integration

• Message number: 028

• Message text: System error calling RFC module &1 with destination &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_CRM028 - System error calling RFC module &1 with destination &2 ?

  The SAP error message FKK_CRM028 indicates a system error that occurs when the system attempts to call a Remote Function Call (RFC) module but encounters an issue. This error typically arises in the context of SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) when there is a problem with the RFC destination or the function module being called.
  Causes:
  
  RFC Destination Issues: The specified RFC destination (&2) may not be correctly configured, inactive, or not reachable.
  Authorization Problems: The user or system may lack the necessary authorizations to execute the RFC function module (&1).
  Network Issues: There may be network connectivity problems between the systems involved.
  Function Module Errors: The function module being called may have issues, such as being incorrectly implemented or having bugs.
  System Configuration: There may be configuration issues in the SAP system that prevent the RFC call from being executed properly.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the