How To Fix MD06018 - Special procurement key not allowed for MRP area type

SAP Error Message - Details

• Message type: E = Error

• Message class: MD06 - MRP Area

• Message number: 018

• Message text: Special procurement key not allowed for MRP area type

What causes this issue?

You have entered a special procurement key which is not supported for
the subcontractor MRP area.

How to fix this error?

The staging of components for the subcontractor can be carried out
either by means of stock transfer from plant or via another vendor.
You can therefore enter two different types of special procurement keys
here:
Normal external procurement (procurement type "external") or
Stock transfer from plant (procurement type "external" and special
procurement type "stock transfer", whereby the plant transferring stock
and the plant with the special procurement key must be identical).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD06018 - Special procurement key not allowed for MRP area type ?

  The SAP error message MD06018 indicates that there is an issue with the special procurement key being used in relation to the MRP (Material Requirements Planning) area type. This error typically arises when the system encounters a special procurement key that is not compatible with the defined MRP area type for a material.
  Cause:
  
  Incompatible Special Procurement Key: The special procurement key assigned to the material is not allowed for the specific MRP area type. This can happen if the key is meant for a different type of procurement or if it is not set up correctly in the system.
  Configuration Issues: There may be configuration settings in the material master or MRP area that do not align with the special procurement key.
  Missing or Incorrect MRP Area Setup: The MRP area may not be properly defined or may not support the special procurement key being used.
  
  Solution:
  
  Check the Special Procurement Key: Review the special procurement key assigned to the material in the material master (transaction code MM03). Ensure that it is appropriate for the MRP area type.
  Review MRP Area Configuration: Go to the MRP area configuration (transaction code OMD0) and verify that the MRP area is set up correctly and supports the special procurement key.
  Adjust Material Master Data: If the special procurement key is not suitable, consider changing it to a valid key that is compatible with the MRP area type.
  Consult Documentation: Refer to SAP documentation or help files for specific details on which special procurement keys are allowed for different MRP area types.
  Testing: After making changes, perform a test run of the MRP process to ensure that the error does not reoccur.
  
  Related Information:
  
  MRP Area Types: Understand the different types of MRP areas (e.g., plant, storage location) and their specific requirements.
  Special Procurement Keys: Familiarize yourself with the various special procurement keys available in SAP and their intended use cases.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP functional consultant or support team for further assistance.