How To Fix SEG025 - The segment name contains the illegal character &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SEG - Code Page Segments

• Message number: 025

• Message text: The segment name contains the illegal character &1

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 SEG025 - The segment name contains the illegal character &1 ?

  The SAP error message SEG025 indicates that there is an issue with the segment name in your data processing or configuration. Specifically, it states that the segment name contains an illegal character, represented by &1 in the error message. This typically occurs in the context of IDoc processing, EDI, or other data interchange formats where segment names must adhere to specific naming conventions.
  Cause:
  The error is caused by the presence of illegal characters in the segment name. In SAP, segment names must follow certain rules, which usually include:
  
  Only alphanumeric characters (A-Z, a-z, 0-9)
  Underscores (_) are often allowed
  No special characters (e.g., spaces, punctuation, etc.)
  
  If the segment name includes any characters outside of these allowed characters, the system will throw the SEG025 error.
  Solution:
  To resolve the SEG025 error, follow these steps:
  
  
  Identify the Segment Name: Check the error message for the specific segment name that is causing the issue. The illegal character will be indicated by &1.
  
  
  Review the Segment Name: Look at the segment name in your configuration or data. Identify any illegal characters that do not conform to the naming conventions.
  
  
  Modify the Segment Name: Change the segment name to remove or replace the illegal characters. Ensure that the new name adheres to the allowed character set.
  
  
  Test the Changes: After making the necessary changes, re-run the process that triggered the error to ensure that the issue is resolved.
  
  
  Check Documentation: If you are unsure about the allowed characters or naming conventions, refer to the SAP documentation or guidelines for the specific module you are working with (e.g., IDocs, EDI).
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or updates related to the SEG025 error. SAP frequently updates its knowledge base with solutions for common issues.
  Transaction Codes: You may need to use transaction codes like WE30 (for IDoc types) or WE31 (for segment types) to review and modify segment definitions.
  Testing Environment: If possible, make changes in a development or testing environment before applying them to production to avoid disruptions.
  
  By following these steps, you should be able to resolve the SEG025 error and ensure that your segment names are compliant with SAP's requirements.