Call to undefined method Illuminate\Events\Dispatcher::fire()

[imansugirman]

Error in access /admin

[hernan19182]

Solucion para laravel 5.8

cambiar en el archivo vendor/watson/validating/src/validatingObserver.php

protected function fireValidatedEvent(Model $model, $status)
{
Event::fire("eloquent.validated: ".get_class($model), [$model, $status]);
}

remplazan

protected function fireValidatedEvent(Model $model, $status)
{
Event::dispatch("eloquent.validated: ".get_class($model), [$model, $status]);
}