I'm having an issue with the Point of Sale (POS) module in Odoo where I get an error when trying to validate an order. The exact error is

TypeError: (intermediate value)._getOrderOptions is not a function at Proxy._getOrderOptions

This error occurs when I click the "Validate" button to complete an order in the POS interface.

I'd really appreciate any tips or suggestions on troubleshooting and fixing this validation issue.