ERREUR: Class "Service\StringTools" not found

 array:1 [
  0 => array:2 [
    "function" => "{closure:/home/techniglobeinc/benoit.admin/config/common.php:171}"
    "args" => array:1 [
      0 => Error {#75
        #message: "Class "Service\StringTools" not found"
        #code: 0
        #file: "/home/techniglobeinc/benoit.admin/module/Authentication/Controller.php"
        #line: 129
        trace: {
          /home/techniglobeinc/benoit.admin/module/Authentication/Controller.php:129 {
            Module\Authentication\Controller->Login(ServerRequest $request): Response …
            › */\r
            › $loginToken = StringTools::tokenGenerator(90);\r
            › \r
          }
          Module\Authentication\Controller->Login() {}
          /home/techniglobeinc/benoit.admin/vendor/folkshr/folks_ats_core/src/Dispatcher/Dispatcher.php:170 {
            Core\Dispatcher\Dispatcher->dispatch() …
            › \r
            ›     $retour = call_user_func_array([$object, $method], $parameters);\r
            › }\r
          }
          /home/techniglobeinc/benoit.admin/inc/security/pointofentry.php:221 {
            › try {\r
            ›     $response = $dispatcher->dispatch();\r
            ›     if ($response instanceof Response) {\r
          }
        }
      }
    ]
  ]
]