Fix a bug in crm-system (Yii2, Angular)

It is necessary to restore the operability of the CRM-system.
Some of the records in the database have incorrect data that contradicts the logic from the front-end, and when you try to display them, the system hangs. A more detailed description of the problem in the file:
docs.google.com/document/...

To complete the task, you will need confident knowledge of:
- Angular 10
- PHP 7.3
- Yii2
- MySQL
- Docker
- Nginx

When answering, write how long you have been working with Yii, Angular, Docker. It will be a plus if you specify examples of work with such a stack.