UnexpectedValueException

Getting Error while installing dompdf or mpdf package on laravel 5.2

[2020-01-29 18:20:35] local.ERROR: UnexpectedValueException: The Response content must be a string or object implementing __toString(), "boolean" given. in D:\xampp\htdocs\mykidreport\vendor\symfony\http-foundation\Response.php:399 Stack trace: #0 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Http\Response.php(56): Symfony\Component\HttpFoundation\Response->setContent(false) #1 D:\xampp\htdocs\mykidreport\vendor\symfony\http-foundation\Response.php(201): Illuminate\Http\Response->setContent(false) #2 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Router.php(1085): Symfony\Component\HttpFoundation\Response->__construct(false) #3 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\ControllerDispatcher.php(94): Illuminate\Routing\Router->prepareResponse(Object(Illuminate\Http\Request), false) #4 [internal function]: Illuminate\Routing\ControllerDispatcher->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #5 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(52): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #6 [internal function]: Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #7 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(102): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #8 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\ControllerDispatcher.php(96): Illuminate\Pipeline\Pipeline->then(Object(Closure)) #9 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\ControllerDispatcher.php(54): Illuminate\Routing\ControllerDispatcher->callWithinStack(Object(App\Http\Controllers\DashboardController), Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request), 'index') #10 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Route.php(174): Illuminate\Routing\ControllerDispatcher->dispatch(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request), 'App\Http\Contro...', 'index') #11 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Route.php(140): Illuminate\Routing\Route->runController(Object(Illuminate\Http\Request)) #12 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Router.php(724): Illuminate\Routing\Route->run(Object(Illuminate\Http\Request)) #13 [internal function]: Illuminate\Routing\Router->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #14 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(52): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #15 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\View\Middleware\ShareErrorsFromSession.php(49): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #16 [internal function]: Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure)) #17 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #18 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #19 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #20 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Session\Middleware\StartSession.php(64): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #21 [internal function]: Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure)) #22 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #23 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #24 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #25 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse.php(37): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #26 [internal function]: Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure)) #27 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #28 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #29 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #30 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Cookie\Middleware\EncryptCookies.php(59): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #31 [internal function]: Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure)) #32 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #33 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #34 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #35 [internal function]: Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #36 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(102): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #37 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Router.php(726): Illuminate\Pipeline\Pipeline->then(Object(Closure)) #38 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Router.php(699): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request)) #39 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Router.php(675): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request)) #40 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(246): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request)) #41 [internal function]: Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http{closure}(Object(Illuminate\Http\Request)) #42 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(52): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #43 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode.php(44): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #44 [internal function]: Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure)) #45 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #46 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #47 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #48 D:\xampp\htdocs\mykidreport\vendor\dingo\api\src\Http\Middleware\Request.php(111): Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #49 [internal function]: Dingo\Api\Http\Middleware\Request->handle(Object(Illuminate\Http\Request), Object(Closure)) #50 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(136): call_user_func_array(Array, Array) #51 [internal function]: Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}(Object(Illuminate\Http\Request)) #52 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Routing\Pipeline.php(32): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #53 [internal function]: Illuminate\Routing\Pipeline->Illuminate\Routing{closure}(Object(Illuminate\Http\Request)) #54 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(102): call_user_func(Object(Closure), Object(Illuminate\Http\Request)) #55 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(132): Illuminate\Pipeline\Pipeline->then(Object(Closure)) #56 D:\xampp\htdocs\mykidreport\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(99): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request)) #57 D:\xampp\htdocs\mykidreport\public\index.php(53): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request)) #58 {main}