Sales Order - No not visible

Hi everyone,

I added some custom code in table 36 in the "Sell-to Customer No." trigger to calculate "Shipment Date" from a setup in the Customer card.
It works fine when the document No is visible in the Sales Order page, but not in the other case.
I tried to debug the code, I found out that when the doc no is not visible, the trigger "Sell-to Customer No." is executed before the "OnInsert" trigger.
So, my custom code is executed and the "Shipment Date" is calculated, then the "OnInsert" trigger is executed with a call to InitRecord which sets the "Shipment Date" back to WORKDATE.

Has anyone faced issues with this doc no invisible before? and how can I detect this in the Sales Header? any ideas?


Thanks in advance