How To Fix TU175 - Main portion &1 is not an MDE portion; allocation is not permitted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 175

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

What causes this issue?

PDC meter reading unit &V2& may only be assigned another PDC meter
reading unit as its leading meter reading unit. You cannot assign PDC
meter reading unit &V2& to leading meter reading unit &V1& because &V1&
is not a PDC meter reading unit.

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?

Delete the number in field "PDC number" or assign a PDC meter reading
unit as the leading meter reading unit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TU175 - Main portion &1 is not an MDE portion; allocation is not permitted ?

  The SAP error message TU175 indicates that there is an issue with the allocation of a main portion in a material document. Specifically, it states that the main portion you are trying to allocate is not recognized as a "MDE portion" (Material Document Entry portion), which means that the system does not allow the allocation to proceed.
  Cause:
  
  Incorrect Material Document: The main portion you are trying to allocate may not be correctly defined in the system as a valid MDE portion.
  Configuration Issues: There may be configuration issues in the system that prevent the main portion from being recognized as an MDE portion.
  Data Integrity Issues: There could be inconsistencies or errors in the data related to the material document or the portions defined within it.
  Incorrect Transaction: The transaction you are trying to perform may not be appropriate for the type of material or the specific document you are working with.
  
  Solution:
  
  Check Material Document: Verify that the material document you are working with is correctly defined and that the portions are set up properly. Ensure that the main portion is indeed an MDE portion.
  Review Configuration: Check the configuration settings in the SAP system related to material management and document handling. Ensure that the settings align with the requirements for MDE portions.
  Data Consistency Check: Run data consistency checks to identify any discrepancies in the material documents or related data. Correct any inconsistencies found.
  Use Correct Transaction: Ensure that you are using the correct transaction code for the operation you are trying to perform. If necessary, consult the documentation or your SAP support team for guidance.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on material document handling and MDE portions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Team: If the issue persists, consider reaching out to your internal SAP support team or SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the TU175 error and implement a solution to resolve it.