How To Fix SY493 - Internal error: Incorrect call of the C call &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 493

• Message text: Internal error: Incorrect call of the C 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.

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 SY493 - Internal error: Incorrect call of the C call &1. ?

  The SAP error message SY493, which states "Internal error: Incorrect call of the C call &1," typically indicates that there is an issue with a function module or a method that is being called incorrectly within the SAP system. This error is often related to the underlying ABAP code or the interaction with C functions.
  Causes:
  
  Incorrect Function Call: The function or method being called may not be defined correctly, or the parameters being passed may not match the expected types or formats.
  Corrupted or Incomplete Code: There may be issues with the ABAP code or the C function itself, such as missing components or corrupted files.
  Version Mismatch: If there are discrepancies between the versions of the software components being used, it may lead to this error.
  Memory Issues: Sometimes, memory allocation issues can lead to internal errors when calling C functions.
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to this error.
  
  Solutions:
  
  Check Function Module/Method: Review the function module or method being called. Ensure that it is defined correctly and that the parameters being passed are appropriate.
  Debugging: Use the ABAP debugger to trace the execution of the code leading to the error. This can help identify the exact point of failure.
  Review Code Changes: If there have been recent changes to the code, review those changes to ensure they are correct and do not introduce errors.
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Update: Ensure that your SAP system is up to date with the latest patches and updates, as these may resolve underlying issues causing the error.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Notes: Always check for SAP Notes related to SY493, as they may provide specific guidance or patches.
  ABAP Documentation: Review the ABAP documentation for best practices on calling C functions and handling errors.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and potentially resolve the SY493 error in your SAP environment.