How To Fix TU174 - Main portion &1 is MDE portion; allocation not permitted

TU174 - Overview

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 174

• Message text: Main portion &1 is MDE portion; allocation not permitted

What causes this issue?

Meter reading unit &V2& will be assigned to leading meter reading unit
&V1&, which is a PDC meter reading unit. This is not allowed.

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?

Set a number in field "PDC number" (which changes meter reading unit
&V2& to a PDC meter reading unit) or assign a meter reading unit that
is not a PDC meter reading unit as the leading meter reading unit.

Error message extract from SAP system. Copyright SAP SE.

TU174 - Details

• The SAP error message TU174 indicates that there is an issue with the allocation of materials in the context of a transfer order or a stock transfer. Specifically, the error message states that the main portion of the material is being treated as a "MDE portion" (which stands for "Material Data Element"), and allocation is not permitted in this case.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Incorrect Material Type: The material being processed may not be set up correctly in the system, leading to a mismatch in how the system interprets the material's data.
  Stock Type Issues: The stock type of the material may not allow for the allocation you are trying to perform. For example, if the material is in a blocked or restricted stock type, it cannot be allocated.
  
  Configuration Issues: There may be configuration settings in the system that are preventing the allocation of the main