I have installed flarum in my pc @localhost but now getting error and it is not opening :
Notice: Undefined property: Illuminate\Database\Eloquent\Collection::$id in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 106
Notice: Undefined property: Illuminate\Database\Eloquent\Collection::$slug in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 106
Notice: Undefined property: Illuminate\Database\Eloquent\Collection::$title in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 107
Notice: Undefined index: page in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 108
Notice: Undefined property: Illuminate\Database\Eloquent\Collection::$startPost in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 113
Notice: Undefined property: Illuminate\Database\Eloquent\Collection::$startPost in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 115
Notice: Trying to get property of non-object in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 115
Notice: Undefined index: image in C:\xampp\htdocs\Flarum\vendor\ganuonglachanh\flarum-ext-sharing\src\Listener\AddOgTags.php on line 131
Fatal error: Uncaught RuntimeException: Output has been emitted previously; cannot emit response in C:\xampp\htdocs\Flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitterTrait.php:41 Stack trace: #0 C:\xampp\htdocs\Flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitter.php(30): Zend\Diactoros\Response\SapiEmitter->assertNoPreviousOutput() #1 C:\xampp\htdocs\Flarum\vendor\zendframework\zend-diactoros\src\Server.php(167): Zend\Diactoros\Response\SapiEmitter->emit(Object(Zend\Diactoros\Response)) #2 C:\xampp\htdocs\Flarum\vendor\flarum\core\src\Http\AbstractServer.php(36): Zend\Diactoros\Server->listen(Object(Zend\Stratigility\NoopFinalHandler)) #3 C:\xampp\htdocs\Flarum\index.php(16): Flarum\Http\AbstractServer->listen() #4 {main} thrown in C:\xampp\htdocs\Flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitterTrait.php on line 41
Any help will be appreciated. Thanks !!