In the "Retail and Commerce" module - "Commerce product hierarchy" tab .
When accessing this functionality the legal entity that is chosen when first opening the page is the one that is on top of the list with all of our entities created in the system, instead of the one that we are currently in.
The page itself is working properly and you could apply the changes to the legal entity that you wish but after the changes are saved and you re-open the page the legal entity that is displayed is once again the one that is on top of the list instead of the one that we are currently working on, which could lead to confusion and potential errors on the customer side.
As it used to default to the legal entity that we are currently in, instead of the one that is on top of the list in previous versions, customer/partner would like to suggest this as a possible solution for resolving future errors.