How To Fix MD357 - Plant &1 has already been assigned a different MRP area

MD357 - Overview

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 357

• Message text: Plant &1 has already been assigned a different MRP area

What causes this issue?

Plant &1 has already been assigned to another MRP area.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose another plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD357 - Plant &1 has already been assigned a different MRP area ?

  The SAP error message MD357 indicates that there is a conflict in the assignment of MRP (Material Requirements Planning) areas to a plant. Specifically, it means that the plant you are trying to assign to a specific MRP area has already been assigned to a different MRP area in the system.
  
  Cause:
  
  Existing Assignment: The plant is already linked to another MRP area, which prevents it from being assigned to the new MRP area you are trying to configure.
  Configuration Error: There may be a misconfiguration in the MRP area settings or in the plant's master data.
  Data Inconsistency: There could be inconsistencies in the data related to MRP areas and plants, possibly due to previous changes or updates.
  
  
  Solution:
  
  
  Check Existing MRP Area Assignments:
  
  Go to the MRP area configuration in SAP (Transaction code: OMDU or similar).
  Check the existing assignments for the plant in question to see which MRP area it is currently assigned to.
  
  
  
  Reassign MRP