1. run `update_schema.sql`
2. run artisan command `php artisan onetime:ClientsCountriesToMultiple`
3. ON WEB SERVER RUN:
  1. `sudo apt-get install php-xml`
  2. `service apache2 restart`
4. run artisan commend `php artisan onetime:DormantDateDBMove`
5. If everything runs well in the above command, run this sql command:
  ```
  ALTER TABLE  `clients_music` CHANGE  `dormant_date`  `dormant_date_DO_NOT_USE` DATE NULL DEFAULT NULL ;
  ```