Routes tab does not show any existing route

[Andrik264]

Describe the bug
Ember inspector does not show any existing route on 'Routes' page.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Ember-inspector'
2. Click on 'Routes'
3. See error

Expected behavior
The list of all existing routes.

Screenshots

Environment
Browser: Google Chrome Version 96.0.4664.55 (Official Build) (x86_64).
Ember-cli: 3.27.0.
Node: 14.17.5.
Os: darwin x64.
Ember-inspecor:

• version 4.5.3;
• Allow access to file URLs - true;
• Site access - on all sites.

Additional context
The problem appeared more then month ago.
An error from console:

VM173:91 Ember Inspector has errored.
This is likely a bug in the inspector itself.
You can report bugs at https://github.com/emberjs/ember-inspector.
Error message: decorator is not a function
Stack trace: TypeError: decorator is not a function
    at https://localhost:4200/assets/ember-app.js:65354:412
    at Array.reduce (<anonymous>)
    at _applyDecoratedDescriptor (https://localhost:4200/assets/ember-app.js:65354:369)
    at Module.callback (https://localhost:4200/assets/ember-app.js:65382:37)
    at Module.exports (https://localhost:4200/assets/vendor.js:118:32)
    at requireModule (https://localhost:4200/assets/vendor.js:39:18)
    at Class._extractDefaultExport (https://localhost:4200/assets/vendor.js:227856:20)
    at Class.resolveOther (https://localhost:4200/assets/vendor.js:227540:32)
    at Class.resolve (https://localhost:4200/assets/vendor.js:227598:25)
    at _resolve (https://localhost:4200/assets/vendor.js:19951:36)

[RobbieTheWagner]

@Andrik264 is there a site we can use to reproduce this?

[Andrik264]

@rwwagner90
It's a closed website. I can only provide you credentials for our stage server where this bug is also reproducing.
Can I write you somewhere in private messages?

[RobbieTheWagner]

@Andrik264 yes, are you on the Ember Discord? I am rwwagner90 on there too

[Andrik264]

@rwwagner90 Writed you in pm on Discord. Check it
My nickname is the same: Andrik264