How To Fix MN475 - Error packing ABAP list into attachment (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 475

• Message text: Error packing ABAP list into attachment (internal error)

What causes this issue?

An internal error has occurred.

System Response

Processing has been terminated.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN475 - Error packing ABAP list into attachment (internal error) ?

  The SAP error message MN475, which states "Error packing ABAP list into attachment (internal error)," typically occurs when there is an issue with generating or handling an output list in an ABAP program, particularly when trying to send it as an attachment (for example, via email).
  Causes:
  
  Memory Issues: The system may be running low on memory, which can prevent the successful packing of the list.
  Data Volume: The amount of data being processed or sent as an attachment may exceed the limits set by the system.
  ABAP Program Errors: There may be bugs or issues in the ABAP code that generates the list.
  Configuration Issues: Incorrect settings in the SAP system related to output management or email configuration.
  Transport Layer Issues: Problems with the transport layer or the way the data is being transferred can also lead to this error.
  
  Solutions:
  
  Check Memory Settings: Ensure that the SAP system has sufficient memory allocated. You may need to increase the memory settings in the instance profile.
  Reduce Data Volume: If possible, try to limit the amount of data being processed or sent in the attachment. This can be done by filtering the data or breaking it into smaller chunks.
  Debug the ABAP Code: If you have access to the ABAP code, debug it to identify any potential issues. Look for any loops or data handling that might be causing the error.
  Review Configuration: Check the configuration settings related to output management and email settings in the SAP system. Ensure that they are correctly set up.
  Check for Notes and Patches: Look for SAP Notes or patches that may address this specific error. Sometimes, SAP releases updates that fix known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SLG1 (Application Log) to see if there are any related logs that provide more context about the error.
  SAP Notes: Search the SAP Support Portal for notes related to MN475 or similar errors. This can provide insights into known issues and fixes.
  System Logs: Review system logs (SM21) for any additional errors or warnings that occurred around the same time as the MN475 error.
  
  By following these steps, you should be able to diagnose and potentially resolve the MN475 error in your SAP system.