Spatie\LaravelIgnition\Exceptions\ViewException: Call to a member function format() on null in file /var/www/oer.unn.edu.ng/resources/views/common/print_tags.blade.php on line 11 #0 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(124): require() #1 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(125): Illuminate\Filesystem\Filesystem::Illuminate\Filesystem\{closure}() #2 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(58): Illuminate\Filesystem\Filesystem->getRequire() #3 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(72): Illuminate\View\Engines\PhpEngine->evaluatePath() #4 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(207): Illuminate\View\Engines\CompilerEngine->get() #5 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(190): Illuminate\View\View->getContents() #6 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(159): Illuminate\View\View->renderContents() #7 /var/www/oer.unn.edu.ng/resources/views/resource.blade.php(126): Illuminate\View\View->render() #8 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(124): require('...') #9 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(125): Illuminate\Filesystem\Filesystem::Illuminate\Filesystem\{closure}() #10 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(58): Illuminate\Filesystem\Filesystem->getRequire() #11 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(72): Illuminate\View\Engines\PhpEngine->evaluatePath() #12 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(207): Illuminate\View\Engines\CompilerEngine->get() #13 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(190): Illuminate\View\View->getContents() #14 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/View.php(159): Illuminate\View\View->renderContents() #15 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Http/Response.php(69): Illuminate\View\View->render() #16 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Http/Response.php(35): Illuminate\Http\Response->setContent() #17 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(918): Illuminate\Http\Response->__construct() #18 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(885): Illuminate\Routing\Router::toResponse() #19 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(805): Illuminate\Routing\Router->prepareResponse() #20 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Routing\Router->Illuminate\Routing\{closure}() #21 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(50): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #22 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Routing\Middleware\SubstituteBindings->handle() #23 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(78): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #24 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle() #25 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #26 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\View\Middleware\ShareErrorsFromSession->handle() #27 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(121): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #28 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(64): Illuminate\Session\Middleware\StartSession->handleStatefulRequest() #29 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Session\Middleware\StartSession->handle() #30 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #31 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle() #32 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(67): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #33 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\EncryptCookies->handle() #34 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #35 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(805): Illuminate\Pipeline\Pipeline->then() #36 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(784): Illuminate\Routing\Router->runRouteWithinStack() #37 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(748): Illuminate\Routing\Router->runRoute() #38 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Routing/Router.php(737): Illuminate\Routing\Router->dispatchToRoute() #39 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(200): Illuminate\Routing\Router->dispatch() #40 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}() #41 /var/www/oer.unn.edu.ng/app/Http/Middleware/OptimizeResponse.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #42 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\Http\Middleware\OptimizeResponse->handle() #43 /var/www/oer.unn.edu.ng/app/Http/Middleware/TrackBout.php(52): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #44 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\Http\Middleware\TrackBout->handle() #45 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php(39): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #46 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\TrustProxies->handle() #47 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #48 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #49 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle() #50 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #51 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(40): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #52 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\TrimStrings->handle() #53 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #54 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle() #55 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(99): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #56 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance->handle() #57 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #58 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(175): Illuminate\Pipeline\Pipeline->then() #59 /var/www/oer.unn.edu.ng/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(144): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() #60 /var/www/oer.unn.edu.ng/public/index.php(51): Illuminate\Foundation\Http\Kernel->handle() #61 {main}