How To Fix BCS_MAIL402 - Invalid attachment

SAP Error Message - Details

• Message type: E = Error

• Message class: BCS_MAIL - BCS: Mail messages

• Message number: 402

• Message text: Invalid attachment

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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Smart SAP Assistant

• What is the cause and solution for SAP error message BCS_MAIL402 - Invalid attachment ?

  The SAP error message BCS_MAIL402 "Invalid attachment" typically occurs when there is an issue with the attachment being sent via the SAP Business Communication Services (BCS) framework. This error can arise due to various reasons, including file format issues, size limitations, or problems with the attachment itself.
  Causes:
  
  Unsupported File Format: The attachment may be in a format that is not supported by the SAP system.
  File Size Limitations: The attachment may exceed the maximum file size limit set in the SAP system.
  Corrupted File: The file being attached may be corrupted or not properly formatted.
  Configuration Issues: There may be configuration issues in the BCS settings that prevent the attachment from being processed correctly.
  Missing MIME Type: The MIME type for the attachment may not be correctly defined or recognized by the system.
  
  Solutions:
  
  Check File Format: Ensure that the attachment is in a supported format (e.g., PDF, DOCX, XLSX, etc.). Refer to SAP documentation for a list of supported formats.
  Reduce File Size: If the file is too large, try compressing it or reducing its size to meet the system's limitations.
  Verify File Integrity: Open the file on your local machine to ensure it is not corrupted. If it is, try re-saving or re-creating the file.
  Review BCS Configuration: Check the BCS configuration settings in the SAP system to ensure that they are correctly set up for handling attachments.
  Check MIME Types: Ensure that the MIME type for the attachment is correctly defined in the SAP system. You can check this in transaction code SO10 or by consulting with your SAP Basis team.
  Test with Different Attachments: Try sending a different attachment to see if the issue persists. This can help determine if the problem is with the specific file or a broader issue with the BCS setup.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to BCS and attachments. You can search for relevant notes in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with transaction codes like SOST (to check the status of sent emails) and SCOT (to configure communication settings) for troubleshooting.
  Documentation: Review the SAP Help Portal for documentation on BCS and email configuration to ensure that all settings are correctly implemented.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical support team for further assistance.