Unhandled Exception

Message:

array_merge(): Argument #2 is not an array

Location:

/var/tw_system/http/laravel/config.php on line 207

Stack Trace:

#0 /var/tw_system/http/laravel/laravel.php(40): Laravel\Error::native(2, 'array_merge(): ...', '/var/tw_system/...', 207)
#1 [internal function]: Laravel\{closure}(2, 'array_merge(): ...', '/var/tw_system/...', 207, Array)
#2 /var/tw_system/http/laravel/config.php(207): array_merge(Array, 1)
#3 /var/tw_system/http/application/start.php(50): Laravel\Config::file('application', 'clientdb')
#4 [internal function]: Laravel\Bundle::{closure}('application', 'clientdb')
#5 /var/tw_system/http/laravel/event.php(199): call_user_func_array(Object(Closure), Array)
#6 /var/tw_system/http/laravel/event.php(124): Laravel\Event::fire('laravel.config....', Array)
#7 /var/tw_system/http/laravel/config.php(176): Laravel\Event::first('laravel.config....', Array)
#8 /var/tw_system/http/laravel/config.php(71): Laravel\Config::load('application', 'clientdb')
#9 /var/tw_system/http/application/config/database.php(73): Laravel\Config::get('clientdb.strykf...')
#10 /var/tw_system/http/laravel/config.php(207): require('/var/tw_system/...')
#11 /var/tw_system/http/application/start.php(50): Laravel\Config::file('application', 'database')
#12 [internal function]: Laravel\Bundle::{closure}('application', 'database')
#13 /var/tw_system/http/laravel/event.php(199): call_user_func_array(Object(Closure), Array)
#14 /var/tw_system/http/laravel/event.php(124): Laravel\Event::fire('laravel.config....', Array)
#15 /var/tw_system/http/laravel/config.php(176): Laravel\Event::first('laravel.config....', Array)
#16 /var/tw_system/http/laravel/config.php(71): Laravel\Config::load('application', 'database')
#17 /var/tw_system/http/application/models/superuser.php(66): Laravel\Config::get('database.db_con...')
#18 /var/tw_system/http/application/models/role.php(30): Superuser::is_employee()
#19 /var/tw_system/http/application/routes.php(837): Role::is_employee()
#20 [internal function]: Laravel\Bundle::{closure}()
#21 /var/tw_system/http/laravel/routing/router.php(151): call_user_func(Object(Closure))
#22 /var/tw_system/http/laravel/routing/route.php(366): Laravel\Routing\Router::group(Array, Object(Closure))
#23 /var/tw_system/http/application/routes.php(1209): Laravel\Routing\Route::group(Array, Object(Closure))
#24 /var/tw_system/http/laravel/bundle.php(136): require('/var/tw_system/...')
#25 /var/tw_system/http/laravel/bundle.php(108): Laravel\Bundle::routes('application')
#26 /var/tw_system/http/laravel/laravel.php(76): Laravel\Bundle::start('application')
#27 /var/tw_system/http/public/index.php(34): require('/var/tw_system/...')
#28 {main}