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 > Purchase Order > Define Document Types.
  Check the allowed item categories for the specific document type you are using. Ensure that the item category you are trying to use is included in the allowed list.
  
  
  
  Change Item Category:
  
  If the item category is not supported for the document type, consider changing the item category in the Purchase Order to one that is supported.
  You can do this in the Purchase Order creation or modification screen.
  
  
  
  Review Document Type Settings:
  
  Ensure that the document type is correctly configured to allow the necessary item categories.
  If you need to add a new item category to a document type, you may need to consult with your SAP configuration team or a functional consultant.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for more information on item categories and document types to understand the relationships and restrictions.
  
  
  
  Testing:
  
  After making changes, test the Purchase Order creation process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Item Categories: These define the type of items being procured (e.g., standard, consignment, subcontracting) and determine how the system processes them.
  Document Types: These are used to categorize different types of purchasing documents (e.g., standard purchase orders, framework orders) and have specific settings that control their behavior.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) for managing Purchase Orders.
  
  If the issue persists after checking the configurations and making necessary changes, it may be beneficial to consult with your SAP support team or a functional consultant for further assistance.