i have a problem with commande app 

UncaughtPromiseError > OwlErrorPromesse non interceptée > An error occured in the owl lifecycle (see this Error's "cause" property)OwlError: An error occured in the owl lifecycle (see this Error's "cause" property)    at handleError (https://rrlog.odoo.com/web/assets/177-1f33308/web.assets_common.min.js:1241:101)    at owl.App.handleError (https://rrlog.odoo.com/web/assets/177-1f33308/web.assets_common.min.js:1867:29)    at ComponentNode.initiateRender (https://rrlog.odoo.com/web/assets/177-1f33308/web.assets_common.min.js:1331:19)
Caused by: Error: Missing field string information for the field 'amount_words' from the 'sale.order' model    at https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7378:258    at traverse (https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:197)    at https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:253    at Array.forEach ()    at traverse (https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:239)    at https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:253    at Array.forEach ()    at traverse (https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:239)    at https://rrlog.odoo.com/web/assets/237-5532817/web.assets_backend.min.js:7373:253    at Array.forEach ()