Solve: PHP Fatal error: Uncaught Error: Class QueryCollector. ▷ List of libs which containing the class QueryCollector

Barryvdh\Debugbar\DataCollector\QueryCollector

This class belongs to the vendor Barryvdh and the package Laravel-debugbar

This class belongs to the vendor Snowair and the package Phalcon-debugbar

This class belongs to the vendor Hexincorp and the package Laravel-debugbar

This class belongs to the vendor Maxtrunk and the package Lumen-debugbar

This class belongs to the vendor Yong and the package Magento2debugbar

This class belongs to the vendor Omt and the package Omt-dev-debugbar

This class belongs to the vendor Alistar84 and the package Phalcon-debugbar

This class belongs to the vendor Baklysystems and the package Laravel-debugbar

This class belongs to the vendor Vietstars and the package Dev-debugger

This class belongs to the vendor Fahrenholz and the package Pdo-database-bundle