freescout/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\Schema;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        // To avoid MySQL error in packages:
        // "SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes"
        Schema::defaultStringLength(191);

        // Models observers
        \App\Mailbox::observe(\App\Observers\MailboxObserver::class);
        // Eloquent events for this table are not called automatically, so need to be called manually.
        //\App\MailboxUser::observe(\App\Observers\MailboxUserObserver::class);
        \App\User::observe(\App\Observers\UserObserver::class);
        \App\Conversation::observe(\App\Observers\ConversationObserver::class);
        \App\Thread::observe(\App\Observers\ThreadObserver::class);
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }
}