How To Fix CRM_IU_IL_TOOLS021 - Error during remote function call &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IU_IL_TOOLS - General messages for BOL / GenIL

• Message number: 021

• Message text: Error during remote function call &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IU_IL_TOOLS021 - Error during remote function call &1 ?

  The SAP error message CRM_IU_IL_TOOLS021 typically indicates an issue during a remote function call (RFC) in the SAP system, particularly in the context of CRM (Customer Relationship Management) and Integration with other systems. This error can occur for various reasons, and understanding the cause is crucial for finding a solution.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Authorization Issues: The user or system making the RFC call may not have the necessary authorizations to execute the function module.
  Configuration Errors: Incorrect configuration settings in the RFC destination or in the related systems can lead to this error.
  System Performance: If the target system is under heavy load or experiencing performance issues, it may not respond to the RFC call in a timely manner.
  Data Issues: The data being passed in the RFC call may be invalid or not conforming to the expected format, leading to processing errors.
  Function Module Issues: The function module being called may have bugs or may not be properly implemented.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  Review Authorizations: Verify that the user or system making the RFC call has the necessary authorizations. You can check this in transaction SU53 or by reviewing the user roles and profiles.
  Validate RFC Configuration: Check the RFC destination configuration in transaction SM59. Ensure that the settings are correct and that the connection test is successful.
  Monitor System Performance: Use transaction SM50 or SM66 to monitor the performance of the target system. If it is overloaded, consider optimizing the workload or scheduling the RFC calls during off-peak hours.
  Inspect Data Passed: Review the data being sent in the RFC call. Ensure that it meets the expected format and constraints of the function module.
  Debug the Function Module: If you have access, you can debug the function module being called to identify any issues in its implementation.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SM50 - Process Overview
  SM66 - Global Process Overview
  SU53 - Authorization Check
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review system logs in transaction SLG1 for any related error messages that could provide more context.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.