How To Fix PR203 - Event number is already assigned; select a new number

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 203

• Message text: Event number is already assigned; select a new number

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PR203 - Event number is already assigned; select a new number ?

  The SAP error message PR203, which states "Event number is already assigned; select a new number," typically occurs in the context of the Project System (PS) module when you are trying to create or assign an event number that has already been used in the system. This can happen when you are working with network activities, milestones, or other project-related elements that require unique event numbers.
  Cause:
  
  Duplicate Event Number: The event number you are trying to assign is already in use for another project or activity.
  Incorrect Configuration: The configuration settings for event number assignment may not be set up correctly, leading to conflicts.
  Data Migration Issues: If data has been migrated from another system, there may be overlaps in event numbers.
  
  Solution:
  
  Select a New Event Number: The simplest solution is to choose a different event number that is not currently in use. You can check the existing event numbers in the system to ensure uniqueness.
  Check Existing Events: Use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to view existing events and their numbers. This will help you identify which numbers are already assigned.
  Review Configuration: If you have access to configuration settings, review the settings for event number assignment in the Project System to ensure they are correctly set up.
  Consult Documentation: Refer to SAP documentation or help files for guidelines on event number assignment and management.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, especially if you suspect a system bug or configuration issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N, CJ03, and CJ02 for managing project structures and events.
  SAP Notes: Check SAP Notes for any known issues or patches related to event number assignment in your version of SAP.
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify event numbers in the system.
  Training and Documentation: Consider training sessions or documentation on the Project System module to better understand how event numbers are managed.
  
  By following these steps, you should be able to resolve the PR203 error and successfully assign event numbers in your SAP system.