How To Fix CO189 - MRP group & is not defined in any plant (check entry)

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 189

• Message text: MRP group & is not defined in any plant (check entry)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO189 - MRP group & is not defined in any plant (check entry) ?

  The SAP error message CO189 indicates that a specific MRP (Material Requirements Planning) group is not defined for any plant in the system. This error typically arises during the planning process when the system cannot find a valid MRP group associated with the material or plant being processed.
  Cause:
  
  Missing MRP Group: The MRP group specified for the material is not assigned to any plant in the system.
  Incorrect Configuration: The MRP group may not have been properly configured in the system.
  Data Entry Error: There may be a typographical error in the MRP group or plant entry.
  Material Master Data Issues: The material master record may not have the correct MRP group assigned.
  
  Solution:
  
  
  Check MRP Group Assignment:
  
  Go to the transaction code MM02 (Change Material) and check the MRP 1 view for the material in question.
  Ensure that the MRP group is correctly assigned.
  
  
  
  Define MRP Group in Plant:
  
  Use transaction code OMD1 to define the MRP group for the relevant plant.
  Ensure that the MRP group is assigned to the plant in the configuration.
  
  
  
  Create or Modify MRP Group:
  
  If the MRP group does not exist, you can create it using transaction code OMD1 or OMD2 (depending on your version of SAP).
  Ensure that the MRP group is properly configured with the necessary parameters.
  
  
  
  Check for Typographical Errors:
  
  Verify that there are no typos in the MRP group or plant entries in the relevant transactions.
  
  
  
  Review Material Master Data:
  
  Ensure that the material master data is complete and accurate, including the MRP group assignment.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration, refer to SAP documentation or consult with your SAP administrator or functional consultant.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM02: Change Material Master
  OMD1: Define MRP Group
  OMD2: Change MRP Group
  MD01: MRP Run (to test if the issue persists after making changes)
  
  
  
  MRP Group: This is a classification that determines how materials are planned in the MRP process. It can influence various parameters such as lot size, planning strategy, and more.
  
  
  Material Master: The material master record contains all the information related to a material, including its MRP group, which is crucial for planning and inventory management.
  
  
  By following these steps, you should be able to resolve the CO189 error and ensure that the MRP group is correctly defined for the relevant plant.