Invoice Questions

I was to try to save any invoice card on database but it not saved what's wrong with my code, i was try to search to solve this but it not

I have a issue with the phpword tables. i have the following

I am using https://www.npmjs.com/package/odoo-xmlrpc to create

How can i add an option to the "bulk actions" button that allows exporting of all the selected orders invoice in a single pdf?

I'm building a invoice manager app in laravel 5.6. i'm tryiing to follow the following

I'm querying a api and pulling data that i need out of it. i then want to convert this to a pandas dataframe but not sure on best way to do it.

We are producing invoices with shopify's 'order printer' app. and want to customise the invoice. for instance, if they have bought a 'book' - we