Message type: E = Error
Message class:  IDFIAT - Country Specific Class for Austria 
Message number: 013
Message text: File not in PDF format
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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The SAP error message IDFIAT013, which states "File not in PDF format," typically occurs when the system expects a PDF file as input, but the file provided does not meet this requirement. This can happen in various scenarios, such as when uploading documents, processing attachments, or generating reports.
Cause: Incorrect File Type: The file being uploaded or processed is not a PDF file. It may be in a different format (e.g., DOCX, JPG, TXT). File Extension Mismatch: The file may have a .pdf extension but is not actually a PDF file. This can happen if the file was renamed incorrectly. Corrupted File: The PDF file may be corrupted or not properly formatted, leading the system to reject it. System Configuration: There may be issues with the configuration of the SAP system that affect how files are processed.
Solution: Verify File Format: Ensure that the file you are trying to upload or process is indeed a PDF. You
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