"Shipment Date" OnValidate inconsistency logic between Sales Header and Warehouse Shipment Header

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Posted on by Craig Yu

Dear MS experts,

During our development, we found there could be an inconsistency of Shipment Date field OnValidate trigger between the Sales Header table and Warehouse Shipment Header table.

In Sales Header table, the Shipment Date OnValidate trigger has GuiAllowed check to avoid odata v4 page reports exception of CallbackNotAllowed when HTTP PATCH to modify the Shipment Date.

But in Warehouse Shipment Header, the Shipment Date OnValidate trigger does not have any GuiAllowed check, so our HTTP PATCH via odata v4 page to modify the Shipment Date always results in the CallbackNotAllowed exception.

For such inconsistency, we were wondering if it was by design, and if so, we were also wondering if the only way is to write our own event subscriber to skip the original OnValidate trigger logics, so that our odata v4 page can allow HTTP PATCH to modify the Shipment Date?

Thanks!

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Dynamics 365 Business Central

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Grigorios Mavrogeorgis 3,276 Super User 2026 Season 2 on at

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Hi, I don't think it's by design, the Sales Header was cleaned for API scenarios over the years and the warehouse tables never had the same pass.
For the workaround, first check if your version has an OnBeforeValidate event with IsHandled on that field. If it's there, subscribe, do your own logic, set IsHandled true and the Confirm never runs. If not, I'd stop PATCHing that field at all and put a bound action on the OData page instead, then inside the codeunit set the date and update the lines yourself without going through Validate. Bit more code, but you don't fight the base app on every upgrade.
Glad to help - follow up if anything is unclear.
► If this solved it, marking it verified helps others too.
Regards,
Grigorios Mavrogeorgis
Business Central Consultant & AL Developer
Work: Gmsoft Limited
Blog: insidebusinesscentral
LinkedIn: linkedin.com/in/gregorymavrogeorgis

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