How To Fix MEPO178 - Item Category &3 not supported for Purchase Order document type &1 in SIT

SAP Error Message - Details

• Message type: E = Error

• Message class: MEPO - New Purchase Order Dialog

• Message number: 178

• Message text: Item Category &3 not supported for Purchase Order document type &1 in SIT

What causes this issue?

The combination of document type <(>&<)>V1& and item category <(>&<)>V3&
is not supported in the context of the chosen Stock Transfer Process.
The used item category <(>&<)>V3& is not fitting to the assigned stock
transfer process.
You want to use stock transfer process with valuated stock in transit.
The Purchase Order Document you are trying to use is of type UB or UB2.
In order to support the stock transfer process with valuated stock in
transit a different Purchase Order document type (e.g. NBCR, NBC2, NBC3)
must be used instead.

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?

Check your input and change the document type and item category if
necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEPO178 - Item Category &3 not supported for Purchase Order document type &1 in SIT ?

  The SAP error message MEPO178 indicates that the item category specified in a Purchase Order (PO) is not supported for the given document type in the system's configuration. This error typically arises when there is a mismatch between the item category and the document type being used in the Purchase Order.
  
  Cause:
  
  Incorrect Item Category: The item category specified in the Purchase Order does not match the allowed item categories for the specified document type in the system configuration.
  
  Configuration Issues: The configuration settings in the SAP system may not have been set up correctly to allow the combination of the specified item category and document type.
  Document Type Restrictions: Certain document types may have restrictions on which item categories can be used, and the item category in question may not be included in that list.
  
  
  Solution:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings in SAP (Transaction code SPRO).
  Navigate to Materials Management > Purchasing >