Hello!

When I go to inventory and try to create products,  I'm having this error. Do you know what is happening? 

TypeError: Cannot read properties of undefined (reading 'string')
    at https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67792:84 (/web/static/src/legacy/legacy_load_views.js:67)
    at traverse (https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67732:9) (/web/static/src/legacy/legacy_load_views.js:7)
    at https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67734:13 (/web/static/src/legacy/legacy_load_views.js:9)
    at Function.each (https://3dfactorymx.odoo.com/web/assets/debug/web.assets_common.js:1900:9) (/web/static/lib/underscore/underscore.js:1330)
    at traverse (https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67733:11) (/web/static/src/legacy/legacy_load_views.js:8)
    at https://3dfactorymx.odoo.com/web/assets/debug/web.assets_backend.js:67734:13 (/web/static/src/legacy/legacy_load_views.js:9)
    at Function.each (https://mycompany.odoo.com/web/assets/debug/web.assets_common.js:1900:9) (/web/static/lib/underscore/underscore.js:1330)
    at traverse (https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67733:11) (/web/static/src/legacy/legacy_load_views.js:8)
    at https://mycompany.odoo.com/web/assets/debug/web.assets_backend.js:67734:13 (/web/static/src/legacy/legacy_load_views.js:9)
    at Function.each (https://mycompany.odoo.com/web/assets/debug/web.assets_common.js:1900:9) (/web/static/lib/underscore/underscore.js:1330)