How To Fix CX_WDK_POWL004 - Filename illegal (has no extension)

CX_WDK_POWL004 - Overview

• Message type: E = Error

• Message class: CX_WDK_POWL -

• Message number: 004

• Message text: Filename illegal (has no extension)

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 CX_WDK_POWL004 - Filename illegal (has no extension) ?

  The SAP error message CX_WDK_POWL004 indicates that there is an issue with a filename that is considered illegal because it does not have a proper file extension. This error typically occurs in the context of the SAP Web Dynpro applications, particularly when dealing with the Personal Object Worklist (POWL) or file uploads.
  
  Cause:
  
  Missing File Extension: The most common cause of this error is that the file being processed does not have a valid file extension. For example, if you try to upload a file named document without an extension, it will trigger this error.
  Incorrect File Naming: The filename may contain invalid characters or formats that are not accepted by the system.
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict certain file types or extensions.
  
  
  Solution:
  
  Check the Filename: Ensure that the file you are trying to upload has a valid extension (e.g., .txt, .pdf, .docx, etc.). Rename the file