How To Fix KY400 - File name contains an invalid character: '&1'

KY400 - Overview

• Message type: E = Error

• Message class: KY - Messages for SAP-EIS: Presentation

• Message number: 400

• Message text: File name contains an invalid character: '&1'

What causes this issue?

The file name is only allowed to contain the following characters.

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

'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'1234567890' and
'-_'

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KY400 - File name contains an invalid character: '&1' ?

  The SAP error message KY400 indicates that there is an issue with a file name containing an invalid character, specifically the character represented by &1. This error typically occurs when you are trying to upload or process a file in SAP, and the file name does not conform to the allowed naming conventions.
  
  Cause:
  The error is caused by the presence of invalid characters in the file name. In SAP, certain characters are not permitted in file names, and these can include special characters, spaces, or symbols that are not recognized by the system.
  
  Solution:
  To resolve the KY400 error, you can take the following steps:
  
  
  Check the File Name: Review the file name you are trying to upload or process. Ensure that it does not contain any invalid characters. Common invalid characters include:
  
  Special characters (e.g., !, @, #, $, %, ^, *, (, ), +, =, {, }, [, ], ;, :, ").
  Spaces or