How To Fix PIC01212 - MRP set &1 already exists, enhancing the class is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: PIC01 - Parts Interchangeability Message Class

• Message number: 212

• Message text: MRP set &1 already exists, enhancing the class is not possible

What causes this issue?

You want to enhance a class with an MRP set, but there is already an MRP
set by this name in the FFF class.

System Response

The process is canceled.

How to fix this error?

Change the name of the MRP set in both FFF classes and restart the
process.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PIC01212 - MRP set &1 already exists, enhancing the class is not possible ?

  The SAP error message PIC01212 indicates that there is an issue with the Material Requirements Planning (MRP) settings in the system. Specifically, it means that the MRP set you are trying to create or enhance already exists, and therefore, the system does not allow you to make changes to it.
  Cause:
  
  Existing MRP Set: The primary cause of this error is that the MRP set you are trying to create or modify already exists in the system. Each MRP set must have a unique identifier, and if you attempt to create a new one with the same identifier, the system will throw this error.
  Configuration Issues: There may be configuration issues or inconsistencies in the MRP settings that lead to this error.
  User Permissions: Sometimes, user permissions or roles may restrict the ability to modify existing MRP sets.
  
  Solution:
  
  
  Check Existing MRP Sets: 
  
  Use transaction code MD02 or MD03 to check the existing MRP sets in the system. Look for the MRP set with the identifier you are trying to use.
  If it exists, you may need to modify the existing set instead of creating a new one.
  
  
  
  Modify Instead of Create: 
  
  If you need to change the settings of an existing MRP set, navigate to the appropriate transaction (like MDM1 for creating MRP sets or MDM2 for changing them) and make the necessary adjustments.
  
  
  
  Use a Different Identifier: 
  
  If you need to create a new MRP set, consider using a different identifier that does not conflict with existing ones.
  
  
  
  Check User Permissions: 
  
  Ensure that you have the necessary permissions to create or modify MRP sets. If not, contact your SAP administrator to grant the required access.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help files related to MRP settings for additional guidance on managing MRP sets.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MDM1 - Create MRP Set
  MDM2 - Change MRP Set
  MDM3 - Display MRP Set
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to MRP sets that might address this error.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the PIC01212 error and manage your MRP sets effectively.