How To Fix PMEVC_UI002 - Constraint name &1 is already being used in another net

SAP Error Message - Details

• Message type: E = Error

• Message class: PMEVC_UI -

• Message number: 002

• Message text: Constraint name &1 is already being used in another net

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 PMEVC_UI002 - Constraint name &1 is already being used in another net ?

  The SAP error message PMEVC_UI002, which states "Constraint name &1 is already being used in another net," typically occurs in the context of project management or network planning within SAP. This error indicates that the constraint name you are trying to use is already assigned to another network or project, leading to a conflict.
  Cause:
  
  Duplicate Constraint Name: The primary cause of this error is that the constraint name you are trying to create or assign is already in use by another network or project within the system.
  Data Integrity Rules: SAP enforces data integrity rules to ensure that each constraint name is unique within the context of networks or projects to avoid confusion and maintain clarity in project management.
  
  Solution:
  
  Check Existing Constraints: Review the existing constraints in the system to identify if the constraint name you are trying to use is already in use. You can do this by navigating to the relevant project or network and checking the list of constraints.
  Rename the Constraint: If the constraint name is already in use, consider renaming the new constraint to something unique that does not conflict with existing names.
  Delete or Modify Existing Constraints: If the existing constraint is no longer needed, you may delete or modify it to free up the name. However, ensure that this action does not affect other projects or networks that rely on that constraint.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and constraints within your version of SAP.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring issue or if you suspect a system error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that pertain to project management and network planning, such as CJ20N (Project Builder) or CN41 (Network Overview).
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify constraints in the system.
  System Configuration: Check if there are any specific configurations or settings in your SAP environment that might affect constraint naming and usage.
  
  By following these steps, you should be able to resolve the PMEVC_UI002 error and continue with your project management tasks in SAP.