How To Fix CJ251 - Enter an unique version number without special characters

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 251

• Message text: Enter an unique version number without special characters

What causes this issue?

The special characters * and + are used in general for entering version
key generically. However generic entries are not permissible here.
The special character # cannot be used for version numbers.

How to fix this error?

Replace the special characters with alphanumeric characters.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ251 - Enter an unique version number without special characters ?

  The SAP error message CJ251, which states "Enter a unique version number without special characters," typically occurs in the context of project management within SAP, particularly when dealing with project versions in the Project System (PS) module.
  Cause:
  The error is triggered when a user attempts to create or modify a project version and enters a version number that:
  
  Is not unique (i.e., a version with the same number already exists).
  Contains special characters (e.g., symbols like @, #, $, %, etc.) that are not allowed in version numbers.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Versions: 
  
  Before creating a new version, check the existing versions for the project to ensure that the version number you want to use is not already taken. You can do this by navigating to the project in the Project System and reviewing the version list.
  
  
  
  Use a Unique Version Number: 
  
  Choose a version number that is not already in use. It should be a simple numeric or alphanumeric string without any special characters. For example, use "1", "2", "VersionA", etc.
  
  
  
  Avoid Special Characters: 
  
  Ensure that the version number you are entering does not contain any special characters. Stick to letters (A-Z, a-z) and numbers (0-9).
  
  
  
  Follow Naming Conventions: 
  
  If your organization has specific naming conventions for version numbers, make sure to adhere to those guidelines.
  
  
  
  Retry the Operation: 
  
  After making the necessary adjustments to the version number, retry the operation to create or modify the project version.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Project System (PS) for more detailed information on managing project versions.
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify project versions in SAP.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or provide additional guidance related to version management in the Project System.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or system administrator for further assistance.