How To Fix PR201 - The event already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 201

• Message text: The event already exists

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 PR201 - The event already exists ?

  The SAP error message PR201, which states "The event already exists," typically occurs in the context of SAP's Project System (PS) or related modules when there is an attempt to create an event (such as a milestone or a task) that already exists in the system for a particular project or network.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the event you are trying to create has already been defined in the project or network. This can happen if:
  
  The event number you are trying to use is already assigned to another event.
  There is an attempt to create an event with the same characteristics (e.g., date, type) as an existing one.
  
  
  
  Data Consistency Issues: Sometimes, inconsistencies in the database or issues during data migration can lead to this error.
  
  
  User Error: Users may inadvertently try to create an event without checking existing events, leading to duplication.
  
  
  Solution:
  
  
  Check Existing Events: Before creating a new event, check the existing events in the project or network. You can do this by:
  
  Navigating to the project or network in question and reviewing the list of events.
  Using transaction codes like CJ20N (Project Builder) or CN21 (Create Network) to view existing events.
  
  
  
  Use a Different Event Number: If you find that the event already exists, consider using a different event number or modifying the existing event instead of creating a new one.
  
  
  Review Project Structure: Ensure that the project structure is correctly set up and that there are no unintended duplications in the project or network.
  
  
  Data Cleanup: If the error is due to data inconsistencies, you may need to perform a data cleanup or consult with your SAP Basis or technical team to resolve any underlying database issues.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to your version of SAP, as there may be version-specific nuances.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N, CN21, CN22, and CJ02 for project management and event handling.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Training: Ensure that users are trained on how to manage events within projects to minimize the risk of duplication.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.