How To Fix 1B881 - Error in RFC call up function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1B - BKK: General Texts

• Message number: 881

• Message text: Error in RFC call up function module &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1B881 - Error in RFC call up function module &1 ?

  The SAP error message 1B881 indicates that there is an issue with an RFC (Remote Function Call) call to a function module. This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Function Module Not Found: The specified function module (&1 in the error message) may not exist in the system or may not be activated.
  Authorization Issues: The user executing the RFC call may not have the necessary authorizations to execute the function module.
  Network Issues: There may be network connectivity problems between the systems involved in the RFC call.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected parameters, leading to errors during execution.
  System Configuration: There may be configuration issues in the RFC destination or the function module itself.
  Transport Issues: If the function module was recently transported, it may not have been properly imported or activated in the target system.
  
  Solutions:
  
  Check Function Module: Verify that the function module exists and is active in the system. You can do this by using transaction code SE37 or SE80.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  Test RFC Connection: Use transaction code SM59 to test the RFC connection. Ensure that the connection is configured correctly and is operational.
  Parameter Validation: Review the parameters being passed to the function module. Ensure they match the expected input and output parameters defined in the function module.
  Check Configuration: Review the configuration settings for the RFC destination and ensure that they are correct.
  Transport Check: If the function module was recently transported, check the transport logs to ensure it was imported correctly and is active.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SM59: RFC Destinations
  SU53: Authorization Check
  ST22: Dump Analysis (to check for any short dumps related to the error)
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the function module or RFC calls.
  Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement the appropriate solution. If the issue persists, consider reaching out to SAP support for further assistance.