How To Fix CJ603 - Character &1 is not valid. Valid characters are & and &

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 603

• Message text: Character &1 is not valid. Valid characters are & and &

What causes this issue?

You have used a character (&V1&) for the coding of the project
definition or the WBS element that the system does not recognize.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check to make sure that you have entered the correct character. Change
it if necessary.

Procedure for System Administrators

Check whether the character you want to enter for coding the project
definition or WBS element has been defined as such in the system.
Define it, if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ603 - Character &1 is not valid. Valid characters are & and & ?

  The SAP error message CJ603 indicates that there is an issue with the character input in a field where only specific characters are allowed. The message states that the character you entered (represented by &1) is not valid, and it specifies that the valid characters are & and &?. This error typically occurs in the context of project management or cost center accounting within SAP, particularly when dealing with project definitions, WBS elements, or similar structures.
  Cause:
  
  Invalid Character Input: The most common cause of this error is that the user has entered a character that is not permitted in the specified field. This could be due to a typo or misunderstanding of the allowed input format.
  Field Restrictions: Certain fields in SAP have restrictions on the characters that can be used, often to maintain data integrity or adhere to specific formatting rules.
  
  Solution:
  
  Check Input: Review the input in the field where the error occurred. Ensure that you are only using the valid characters (& and &?). Remove any invalid characters.
  Refer to Documentation: If you are unsure about the valid characters or the expected format, refer to the relevant SAP documentation or help resources for guidance on the specific field.
  Consult with SAP Support: If the issue persists and you believe you are using valid characters, it may be beneficial to consult with your SAP support team or check SAP Notes for any known issues related to this error.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to project management, such as CJ01 (Create Work Breakdown Structure), CJ02 (Change Work Breakdown Structure), or CJ03 (Display Work Breakdown Structure).
  Field Validation: Understanding the validation rules for the specific field can help prevent this error in the future. This may involve checking field attributes in the data dictionary (SE11) or field settings in the relevant transaction.
  User Training: Providing training for users on the correct input formats and restrictions can help reduce the occurrence of this error.
  
  By following these steps, you should be able to resolve the CJ603 error and ensure that you are entering valid data in SAP.