How To Fix E0440 - Enter a valid extension

E0440 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 440

• Message text: Enter a valid extension

What causes this issue?

An entry with the key &v2& is to be inserted in table
&v1&.
The specified extension '&v3&' (field CIMTYP) is not permitted.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether extension &v3& exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0440 - Enter a valid extension ?

  The SAP error message E0440 "Enter a valid extension" typically occurs when a user is trying to enter a file extension that is not recognized or is invalid in the context of the operation they are performing. This error can arise in various scenarios, such as when uploading files, specifying file types, or configuring settings that require a valid file extension.
  Causes:
  
  Invalid File Extension: The user may have entered a file extension that is not supported by the system (e.g., .xyz instead of .txt or .csv).
  Missing File Extension: The user may have forgotten to include a file extension when specifying a file.
  
  Configuration Issues: The system may not be configured to recognize certain file types or extensions.
  User Input Error: There may be a typographical error in the file extension entered by the user.
  
  Solutions:
  
  Check File Extension: Ensure that the file extension you are trying to enter is valid and supported by the SAP