How To Fix Q2001 - Error 1: function call &1 in module &2 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: Q2 - Messages for Development Classes SDBO and SDBA

• Message number: 001

• Message text: Error 1: function call &1 in module &2 failed

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 Q2001 - Error 1: function call &1 in module &2 failed ?

  The SAP error message Q2001 Error 1: "function call &1 in module &2 failed" typically indicates that there was a failure in executing a specific function module within the SAP system. This error can arise from various underlying issues, and understanding the cause and potential solutions can help in troubleshooting.
  Possible Causes:
  
  Incorrect Function Module Parameters: The parameters being passed to the function module may be incorrect or not in the expected format.
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  Data Issues: There may be issues with the data being processed, such as missing or invalid entries.
  System Configuration: There could be configuration issues in the system that affect the execution of the function module.
  Program Errors: There may be bugs or errors in the custom code or standard SAP code that is calling the function module.
  Performance Issues: If the system is under heavy load, it may lead to timeouts or failures in executing the function.
  
  Solutions:
  
  Check Function Module Parameters: Review the parameters being passed to the function module to ensure they are correct and valid.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Data Validation: Validate the data being processed to ensure there are no missing or invalid entries. This may involve checking master data or transactional data related to the function call.
  Debugging: If you have access to the development environment, you can debug the function module to identify where the failure occurs. Use transaction SE37 to test the function module directly.
  Check System Logs: Review the system logs (transaction SM21) and short dumps (transaction ST22) for any additional error messages or information that can provide context for the failure.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  SU53: Authorization Check
  SM21: System Log
  ST22: Dump Analysis
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues with the specific function module or error message.
  Community Forums: Check SAP Community or other forums for similar issues reported by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.