Fatal error: Declaration of Symfony\Component\Translation\TranslatorInterface::getLocale() must be compatible with Symfony\Contracts\Translation\LocaleAwareInterface::getLocale(): string in /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/symfony/translation/TranslatorInterface.php on line 69

Fatal error: Uncaught Error: Class "Illuminate\Support\Carbon" not found in /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/InteractsWithTime.php:62 Stack trace: #0 /home/hilbert/public_html/ojs/lib/pkp/classes/job/models/Job.php(194): PKP\job\models\Job->currentTime() #1 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1623): PKP\job\models\Job->scopeIsAvailable(Object(Illuminate\Database\Eloquent\Builder)) #2 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1331): Illuminate\Database\Eloquent\Model->callNamedScope('isAvailable', Array) #3 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1312): Illuminate\Database\Eloquent\Builder->Illuminate\Database\Eloquent\{closure}(Object(Illuminate\Database\Eloquent\Builder)) #4 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1330): Illuminate\Database\Eloquent\Builder->callScope(Object(Closure), Array) #5 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1865): Illuminate\Database\Eloquent\Builder->callNamedScope('isAvailable', Array) #6 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(23): Illuminate\Database\Eloquent\Builder->__call('isAvailable', Array) #7 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(2330): Illuminate\Database\Eloquent\Model->forwardCallTo(Object(Illuminate\Database\Eloquent\Builder), 'isAvailable', Array) #8 /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(2342): Illuminate\Database\Eloquent\Model->__call('isAvailable', Array) #9 /home/hilbert/public_html/ojs/lib/pkp/classes/core/PKPQueueProvider.php(57): Illuminate\Database\Eloquent\Model::__callStatic('isAvailable', Array) #10 /home/hilbert/public_html/ojs/lib/pkp/classes/queue/JobRunner.php(198): PKP\core\PKPQueueProvider->getJobModelBuilder() #11 /home/hilbert/public_html/ojs/lib/pkp/classes/core/PKPQueueProvider.php(135): PKP\queue\JobRunner->processJobs() #12 [internal function]: PKP\core\PKPQueueProvider->PKP\core\{closure}() #13 {main} thrown in /home/hilbert/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/InteractsWithTime.php on line 62