I tried with an empty database, only demo data, and I have same errors.
logs from Navigator inspection :
Owl is running in 'dev' mode.
This is not suitable for production use.
See https://github.com/odoo/owl/blob/master/doc/reference/config.md#mode for more information.
web.assets_common.min.js:5228 Tour Manager is ready. running_tour=null
web.assets_common.min.js:85 warning: Some modules could not be started
web.assets_common.min.js:85 Missing dependencies: Array(1)
web.assets_common.min.js:90 Non loaded modules: Array(1)
web.assets_common.min.js:91 Debug: Object
Task.js:1 Uncaught ReferenceError: c is not defined
at eval (Task.js:1:1)
at ./src/lib/Task.js (app.js?v137.1:328:1)
at __webpack_require__ (app.js?v137.1:88:30)
at eval (ProjectModel.js:29:64)
at ./src/lib/ProjectModel.js (app.js?v137.1:316:1)
at __webpack_require__ (app.js?v137.1:88:30)
at eval (App.vue?./node_modules/cache-loader/dist/cjs.js??ref--13-0!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--1-0!./node_modules/vue-loader/lib??vue-loader-options:6:75)
at ./node_modules/cache-loader/dist/cjs.js?!./node_modules/babel-loader/lib/index.js!./node_modules/cache-loader/dist/cjs.js?!./node_modules/vue-loader/lib/index.js?!./src/App.vue?vue&type=script&lang=js& (app.js?v137.1:174:1)
at __webpack_require__ (app.js?v137.1:88:30)
at eval (App.vue:2:279)
vue.runtime.esm.js:8462 Download the Vue Devtools extension for a better development experience:
https://github.com/vuejs/vue-devtools
vue.runtime.esm.js:8472 You are running Vue in development mode.
Make sure to turn on production mode when deploying for production.
See more tips at https://vuejs.org/guide/deployment.html
web.assets_backend.min.js:11334 Uncaught (in promise) TypeError: Cannot set properties of undefined (setting 'projectID')
at Class.start (web.assets_backend.min.js:11334:568)
at prototype.<computed> [as start] (web.assets_common.min.js:4715:488)
at web.assets_common.min.js:5053:52
at async Promise.all (index 1)
at async Promise.all (index 0)
at async Class.start (web.assets_backend.min.js:4402:1)
at async Class.start (web.assets_backend.min.js:4490:1335)
2web.assets_backend.min.js:11336 Uncaught (in promise) TypeError: Cannot set properties of undefined (setting 'run')
at Class.destroy (web.assets_backend.min.js:11336:56)
at prototype.<computed> [as destroy] (web.assets_common.min.js:4715:488)
at web.assets_common.min.js:4838:658
at Array.forEach (<anonymous>)
at Class.destroy (web.assets_common.min.js:4838:628)
at Class.destroy (web.assets_common.min.js:4854:834)
at Class.destroy (web.assets_common.min.js:5042:123)
at Class.destroy (web.assets_backend.min.js:4403:44)
at prototype.<computed> [as destroy] (web.assets_common.min.js:4715:488)
at Class.destroy (web.assets_backend.min.js:4490:1393)
web.assets_backend.min.js:11334 Uncaught (in promise) TypeError: Cannot set properties of undefined (setting 'projectID')
at Class.start (web.assets_backend.min.js:11334:568)
at prototype.<computed> [as start] (web.assets_common.min.js:4715:488)
at web.assets_common.min.js:5053:52
at async Promise.all (index 1)
at async Promise.all (index 0)
at async Class.start (web.assets_backend.min.js:4402:1)
at async Class.start (web.assets_backend.min.js:4490:1335)
gantt.module.js:19352 Uncaught TypeError: Cannot read properties of undefined (reading 'add')
at keydown (gantt.module.js:19352:31)
at HTMLDocument.handler (gantt.module.js:18920:72)