Urgent: bad request (in production, prevents users from purchasing our product)

@mark-piller and team, this is happening again now

not sure if something changed after addressing this issue: Password reset not working (backendless 3, happening every few months) (cc @sergey.kuk )

but we are getting a lot of users that are unable to purchase the product (I just tried myself now and got the same error, bad request for the purchaseorder object, which has an oncreate, so most likely again a business logic issue)

Thank you for your help

Please somebody acknowledge seeing this