How To Fix CO021 - Enter an MRP group

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 021

• Message text: Enter an MRP group

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 CO021 - Enter an MRP group ?

  The SAP error message CO021, which states "Enter an MRP group," typically occurs in the context of production planning and control when a user attempts to create or modify a material master record or a production order without specifying an MRP (Material Requirements Planning) group. The MRP group is essential for determining how materials are planned and managed within the system.
  Cause:
  
  Missing MRP Group: The most common cause of this error is that the MRP group field is left blank when it is required for the transaction you are trying to perform.
  Configuration Issues: There may be issues with the configuration of the material master or the production order type that require an MRP group to be defined.
  User Input Error: The user may have overlooked entering the MRP group or may not have the necessary information to do so.
  
  Solution:
  
  Enter MRP Group: When prompted with the error, you should enter a valid MRP group in the relevant field. This can usually be found in the material master data or production order data screens.
  Check Material Master Data: If you are working with a material, ensure that the material master record has an MRP group assigned. You can do this by navigating to the material master (transaction code MM02) and checking the MRP views.
  Review Configuration: If you are unsure about which MRP group to use, consult with your SAP configuration team or refer to your organization's documentation to understand the appropriate MRP groups for your materials.
  User Training: Ensure that users are trained on the importance of the MRP group and how to enter it correctly in the system.
  
  Related Information:
  
  MRP Group Definition: MRP groups are used to categorize materials based on similar planning requirements. They help in defining how materials are procured, produced, and managed in the supply chain.
  Transaction Codes: Common transaction codes related to MRP and material master include:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MD01: MRP Run
  
  
  Documentation: Refer to SAP Help documentation or your organization's SAP training materials for more detailed information on MRP groups and their configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team for further assistance.