How To Fix V1779 - Maintain both the purchase order type and item category fields

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 779

• Message text: Maintain both the purchase order type and item category fields

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message V1779 - Maintain both the purchase order type and item category fields ?

  The SAP error message V1779, which states "Maintain both the purchase order type and item category fields," typically occurs in the context of creating or processing purchase orders in the SAP system. This error indicates that there is a missing configuration or data entry that is required for the system to process the purchase order correctly.
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Missing Configuration: The purchase order type or item category may not be properly configured in the system. This can happen if the necessary settings in the customizing (SPRO) are not maintained.
  
  
  Incomplete Data Entry: When creating a purchase order, if either the purchase order type or the item category is not specified, the system will throw this error.
  
  
  Incorrect Settings: The settings for the combination of purchase order type and item category may not be defined correctly in the system.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Purchase Order Type:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to Materials Management > Purchasing > Purchase Order > Define Purchase Order Types.
  Ensure that the purchase order type you are trying to use is defined and active.
  
  
  
  Check Item Category:
  
  In the same SPRO path, navigate to Materials Management > Purchasing > Purchase Order > Define Item Categories.
  Verify that the item category you are using is defined and that it is compatible with the purchase order type.
  
  
  
  Maintain Configuration:
  
  Ensure that the combination of purchase order type and item category is maintained in the configuration. This can be done in the same SPRO area under Define Attributes of Item Categories.
  
  
  
  Data Entry:
  
  When creating a purchase order, ensure that both the purchase order type and item category fields are filled in correctly. Double-check for any typos or incorrect entries.
  
  
  
  Testing:
  
  After making the necessary changes, try to create or process the purchase order again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) for testing.
  Documentation: Refer to SAP documentation or help files for more detailed information on configuring purchase order types and item categories.
  User Roles: Ensure that the user has the necessary authorizations to create or modify purchase orders in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the Materials Management module for further assistance.