How To Fix /MOC/OBJECT257 - Attachment not added;MIME type &1 not allowed for document type &2

/MOC/OBJECT257 - Overview

• Message type: E = Error

• Message class: /MOC/OBJECT -

• Message number: 257

• Message text: Attachment not added;MIME type &1 not allowed for document type &2

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /MOC/OBJECT257 - Attachment not added;MIME type &1 not allowed for document type &2 ?

  The SAP error message /MOC/OBJECT257 Attachment not added; MIME type &1 not allowed for document type &2 indicates that there is an issue with the attachment you are trying to add to a document in SAP. Specifically, the MIME type of the file you are attempting to attach is not permitted for the specified document type.
  
  Cause:
  
  MIME Type Restriction: Each document type in SAP can have specific MIME types that are allowed. If the file you are trying to attach has a MIME type that is not included in the allowed list for that document type, you will encounter this error.
  Document Type Configuration: The configuration for the document type may not include the MIME type of the file you are trying to attach.
  File Format: The file format you are trying to upload may not be supported by the system for that particular document type.
  
  
  Solution:
  
  
  Check Allowed MIME Types:
  
  You can check the allowed