[Emergency] Uncaught SilverStripe\Core\Injector\InjectorNotFoundException: Class ApplicationController does not exist

GET /application/

Line 29 in /var/www/production/ss_estaonline_web/htdocs/vendor/silverstripe/framework/src/Core/Injector/InjectionCreator.php

Source

20     public function create($class, array $params = [])
21     {
22         if (is_object($class ?? '')) {
23             $class = get_class($class);
24         }
25         if (!is_string($class ?? '')) {
26             throw new InvalidArgumentException('$class parameter must be a string or an object');
27         }
28         if (!class_exists($class)) {
29             throw new InjectorNotFoundException("Class {$class} does not exist");
30         }
31 
32         // Ensure there are no string keys as they cannot be unpacked with the `...` operator
33         $values = array_values($params);
34 
35         return new $class(...$values);

Trace