How To Fix IW122 - Materials cannot be allocated to sub-operations

IW122 - Overview

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 122

• Message text: Materials cannot be allocated to sub-operations

What causes this issue?

You want to allocate material to a <GL:sub-operation>sub-operation</>.
This function is not possible.

System Response

INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Allocate the materials that you require for a sub-operation to the
<GL:operation>operation</> to which the sub-operation is allocated.

Error message extract from SAP system. Copyright SAP SE.

IW122 - Details

• The SAP error message IW122, which states "Materials cannot be allocated to sub-operations," typically occurs in the context of production orders or maintenance orders when there is an issue with the allocation of materials to specific sub-operations within a work order. Here are the common causes, potential solutions, and related information for this error:
  Causes:
  
  Missing Material Master Data: The material may not be properly defined in the material master, or it may not be set up for the specific plant or storage location.
  Incorrect BOM (Bill of Materials): The BOM for the operation may not include the required materials, or the components may not be correctly assigned to the sub-operation.
  Stock Availability: There may not be enough stock available for the materials required for the sub-operation.
  Incorrect Work Center Settings: The work center associated with the operation may not be configured correctly to handle the materials.
  Status of the Order: The production or maintenance order