Odoo 14e POS error fix on a custom developed module (Area field not getting saved)

I am looking for experts in Odoo 14 POS, to fix the following issues in POS with a custom developed module.

I have an Area field while adding addresses (5 places) , the location names are populated in the area field.

Now as I did some other updates, the area field is not getting saved in the backend, nor its not getting printed in the receipt.

Looking for immediate support