How To Fix GRPG100 - MRP group &1 does not exist in plant &2

SAP Error Message - Details

• Message type: E = Error

• Message class: GRPG - Grouping/Pegging for Individual Project Planning

• Message number: 100

• Message text: MRP group &1 does not exist in plant &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG100 - MRP group &1 does not exist in plant &2 ?

  The SAP error message GRPG100 indicates that the Material Requirements Planning (MRP) group specified does not exist for the given plant. This error typically arises during MRP runs or when trying to create or modify MRP-related data.
  Cause:
  
  Non-existent MRP Group: The MRP group specified in the transaction does not exist in the system.
  Incorrect Plant Assignment: The MRP group may exist, but it is not assigned to the specified plant.
  Data Entry Error: There may be a typographical error in the MRP group or plant code entered.
  
  Solution:
  
  
  Check MRP Group:
  
  Go to the transaction code OMMR (or navigate through the menu: Logistics > Production > MRP > Master Data > MRP Group).
  Verify if the MRP group exists in the system. If it does not exist, you will need to create it.
  
  
  
  Create MRP Group:
  
  If the MRP group does not exist, you can create it using the same transaction (OMMR). Ensure that you assign it to the correct plant.
  
  
  
  Check Plant Assignment:
  
  If the MRP group exists, check if it is assigned to the specified plant. You can do this by reviewing the MRP group settings and ensuring that it is linked to the correct plant.
  
  
  
  Correct Data Entry:
  
  Double-check the MRP group and plant codes entered in the transaction to ensure there are no typographical errors.
  
  
  
  Consult Documentation:
  
  If you are unsure about the MRP group settings, refer to your organization's documentation or consult with your SAP functional team for guidance.
  
  
  
  Related Information:
  
  MRP Group: This is a classification used in MRP to determine how materials are planned. It can influence various parameters such as lot sizing, planning strategies, and more.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMD0 (Define MRP Groups) and OMD1 (Define MRP Group for Plant).
  SAP Notes: Check SAP Notes for any known issues or updates related to MRP groups and planning in your version of SAP.
  
  By following these steps, you should be able to resolve the GRPG100 error and ensure that the MRP group is correctly set up for the specified plant.