How To Fix BCS_MAIL402 - Invalid attachment

BCS_MAIL402 - Overview

• 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

BCS_MAIL402 - Details

• 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