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

CO189 - Overview

• 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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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 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