Rostislav, nothing just disappears in the system, as soon as possible, pressing "x" after that, as you were transferred to 1C.
to check it exactly - show the process tab History
https://prnt.sc/wdmmp3 , there you can change it like this
https://prnt.sc/wdmn7zand on the first stage (after the purchase and sale) they could not change the goods - in the interface of the first stage, take "x" and save the change like this
https://prnt.sc/wdmo7e