How To Fix /AIF/MES023 - Only files with CR/LF or fixed line length are supported

/AIF/MES023 - Overview

• Message type: E = Error

• Message class: /AIF/MES -

• Message number: 023

• Message text: Only files with CR/LF or fixed line length are supported

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.

/AIF/MES023 - Details

• The SAP error message /AIF/MES023 Only files with CR/LF or fixed line length are supported typically occurs in the context of the SAP Application Interface Framework (AIF) when processing files. This error indicates that the file format being processed does not meet the expected criteria for line endings or structure.
  
  Cause:
  
  
  Incorrect Line Endings: The file being processed may not have the correct line endings. SAP expects files to use either:
  
  Carriage Return (CR) and Line Feed (LF) combinations (common in Windows environments).
  Fixed line lengths (where each line has a consistent number of characters).
  
  
  
  File Format Issues: The file may be in a format that is not supported by AIF, such as files with inconsistent line endings or those that do not conform to the expected structure.
  
  
  Encoding Issues: The file may be encoded in a way that is not compatible with SAP's expectations (e.g., UTF-16 instead of UTF-8).
  
  
  
  Solution:
  
  
  Check Line Endings: Ensure that the file