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Message type: E = Error
Message class: WS - Supplier Billing Document
Message number: 799
Message text: Item category & is not valid.
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.
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WS799
- Item category & is not valid. ?SAP Error Message:
WS799 - Item category & is not valid.
Cause:
This error occurs when the item category assigned to a sales document item is not valid for the combination of sales document type, item category group, and other relevant master data settings. Essentially, SAP cannot find a valid item category determination for the item in the sales document.
Common reasons include:
Check Item Category Determination Configuration:
Verify Material Master Data:
Check Sales Document Type:
Review Customizing for Item Category Group:
Test with Different Item Category:
Debugging / Logs:
Transaction Codes:
VA01
/ VA02
/ VA03
(Create/Change/Display Sales Order) SPRO
(Customizing) MM03
(Display Material Master) SAP Notes:
Item Category Determination Logic:
Common SAP Tables:
Summary:
The WS799 error indicates a mismatch or missing configuration in item category determination. Review and correct the item category determination settings in customizing, verify material master data, and ensure consistency between sales document type and item category group.
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