Error accessing admin page on shared host

AbubakarLawalAlawAbula

please why do i have this error when i try to access the admin page
`
Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/u0508875/public_html/nairacoders.com/vendor/flarum/core/src/Core/Post/RegisteredTypesScope.php on line 52

Fatal error: Uncaught RuntimeException: Unable to emit response; headers already sent in /var/www/u0508875/public_html/nairacoders.com/vendor/zendframework/zend-diactoros/src/Response/SapiEmitterTrait.php:27 Stack trace: #0 /var/www/u0508875/public_html/nairacoders.com/vendor/zendframework/zend-diactoros/src/Response/SapiEmitter.php(27): Zend\Diactoros\Response\SapiEmitter->assertNoPreviousOutput() #1 /var/www/u0508875/public_html/nairacoders.com/vendor/zendframework/zend-diactoros/src/Server.php(162): Zend\Diactoros\Response\SapiEmitter->emit(Object(Zend\Diactoros\Response)) #2 /var/www/u0508875/public_html/nairacoders.com/vendor/flarum/core/src/Http/AbstractServer.php(36): Zend\Diactoros\Server->listen(Object(Zend\Stratigility\NoopFinalHandler)) #3 /var/www/u0508875/public_html/nairacoders.com/admin.php(16): Flarum\Http\AbstractServer->listen() #4 {main} thrown in /var/www/u0508875/public_html/nairacoders.com/vendor/zendframework/zend-diactoros/src/Response/SapiEmitterTrait.php on line 27
`

Frink

AbubakarLawalAlawAbula Please post the output of php flarum info

AbubakarLawalAlawAbula

i dont have access to ssh on the host

Frink

AbubakarLawalAlawAbula Oh.... How did you install flarum?

AbubakarLawalAlawAbula

moved from localhost

Frink

AbubakarLawalAlawAbula did you install any extensions?

AbubakarLawalAlawAbula

issue is now solved, i changed from php 7.2 to 7.1

Frink

AbubakarLawalAlawAbula ok, sounds good! Enjoy flarum!

AbubakarLawalAlawAbula

thanks