How To Fix /IWBEP/CM_MGW_URM027 - UserName contains invalid characters

/IWBEP/CM_MGW_URM027 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_URM -

• Message number: 027

• Message text: UserName contains invalid characters

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 /IWBEP/CM_MGW_URM027 - UserName contains invalid characters ?

  The SAP error message /IWBEP/CM_MGW_URM027 UserName contains invalid characters typically occurs in the context of SAP Gateway or OData services when a username provided in a request contains characters that are not allowed or recognized by the system. This can happen during authentication or when making service calls that require user credentials.
  
  Cause:
  
  Invalid Characters: The username may contain special characters, spaces, or symbols that are not permitted by the SAP system.
  Encoding Issues: If the username is being passed through a URL or an API, it may not be properly encoded, leading to invalid characters being interpreted.
  
  Configuration Issues: There may be settings in the SAP system that restrict the format of usernames.
  
  
  Solution:
  
  
  Check Username: Ensure that the username being used adheres to the allowed character set. Typically, usernames should consist of alphanumeric characters and may include underscores or hyphens, but should not contain spaces or special characters.
  
  
  URL Encoding: If the username is being