How To Fix CJ639 - Special character & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 639

• Message text: Special character & is not allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CJ639 - Special character & is not allowed ?

  The SAP error message CJ639, which states "Special character & is not allowed," typically occurs in the context of project management or when dealing with project-related data in SAP. This error indicates that a special character (in this case, the ampersand "&") has been used in a field where it is not permitted.
  Cause:
  
  Invalid Characters: The error is triggered when a user attempts to enter a project name, description, or other related fields that contain special characters that are not allowed by the system.
  Field Restrictions: Certain fields in SAP have restrictions on the types of characters that can be used. Special characters like &, %, $, etc., may not be permitted in specific contexts.
  
  Solution:
  
  Remove Special Characters: Review the input data and remove any special characters, particularly the ampersand (&) in this case. Ensure that only alphanumeric characters and allowed symbols are used.
  Use Valid Naming Conventions: Follow the naming conventions and guidelines provided by your organization or SAP documentation for project names and descriptions.
  Validation: Implement validation checks in your data entry processes to prevent the input of invalid characters in the future.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for the specific field to understand the allowed character set.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. Sometimes, specific configurations or updates can affect how the system handles special characters.
  User Training: Ensure that users are trained on the proper data entry practices to avoid such errors.
  Field Configuration: If you have access to configuration settings, review the field settings in the relevant transaction to see if there are any custom validations or restrictions that can be adjusted.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.