How To Fix MW146 - Either allocate at least 1 plant a quota or define AR as a model

MW146 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 146

• Message text: Either allocate at least 1 plant a quota or define AR as a model

What causes this issue?

You have not assigned any plant in the allocation rule a quota.

System Response

Consistency error.

How to fix this error?

Assign a quota to at least one plant in the allocation rule.
If you want to create a model allocation rule, set the model allocation
rule indicator.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW146 - Either allocate at least 1 plant a quota or define AR as a model ?

  The SAP error message MW146 indicates that there is an issue with the quota arrangement for materials in the system. Specifically, it suggests that either no plant has been allocated a quota for the material, or the material is not defined as a model in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  No Plant Allocation: The material in question does not have any plants assigned to it in the quota arrangement. This means that the system does not know where to allocate the stock or how to manage the inventory for that material.
  
  
  Model Definition: The material may not be defined as a model (AR - Allocation Rule) in the system. This is necessary for the system to understand how to handle the material's allocation.
  
  
  Solutions:
  
  
  Allocate a Plant:
  
  Go to the transaction code MD61 (Create Planning) or MD02 (MDM - Material Requirements Planning).
  Check the quota arrangement for the