There is a new feature "Enhanced performance for source document accounting framework" check if this is enabled. Disable this feature and you will see the error message.
Hi, Usually there will be an information prompt at the top of the posting purchase order page, as shown in the screenshot, have you noticed? It is difficult to determine the specific cause of the error without detailed information, or you can refer to the general steps provided by Lamit to check.
Please check basis setup like posting setup of the item, category etc. accounting distribution.
This error was coming in 10.0.37 and 10.0.36 and after retrying that was posting, however this might be different but worth to retry.
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