How To Fix RW502 - Internal error when creating IDocs

SAP Error Message - Details

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 502

• Message text: Internal error when creating IDocs

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RW502 - Internal error when creating IDocs ?

  The SAP error message RW502, which indicates an "Internal error" when creating IDocs, can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Configuration Issues: Incorrect configuration in the IDoc settings or partner profiles can lead to this error.
  Data Issues: Invalid or incomplete data being sent in the IDoc can trigger internal errors.
  Program Errors: Bugs or issues in the ABAP program that generates the IDoc can cause this error.
  System Resource Issues: Insufficient memory or other system resources can lead to internal errors.
  Transport Issues: Problems with the transport layer or issues in the communication between systems can also be a factor.
  
  Solutions:
  
  
  Check IDoc Configuration:
  
  Verify the configuration of the IDoc types, message types, and partner profiles in transaction WE20 and WE21.
  Ensure that the IDoc type being used is correctly defined and activated.
  
  
  
  Validate Data:
  
  Check the data being sent in the IDoc for completeness and correctness. Use transaction WE02 to analyze the IDoc and identify any issues with the data.
  
  
  
  Review ABAP Code:
  
  If the IDoc is generated by a custom ABAP program, review the code for any potential bugs or issues. Look for any unhandled exceptions or logic errors.
  
  
  
  Check System Resources:
  
  Monitor system performance and resource usage. If the system is low on memory or other resources, consider optimizing or increasing the resources available.
  
  
  
  Analyze Logs:
  
  Use transaction SLG1 to check application logs for any related error messages that might provide more context about the internal error.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the IDoc generation process to pinpoint where the error occurs.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  WE02: Display IDocs
  WE20: Partner Profiles
  WE21: IDoc Types
  SLG1: Application Log
  
  
  Documentation: Review SAP documentation related to IDoc processing and error handling for more insights.
  Community Forums: Check SAP Community forums for discussions related to RW502 and similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RW502 internal error when creating IDocs in SAP.