Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv_substr() in /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/Mbstring.php:667 Stack trace: #0 /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/bootstrap80.php(72): Symfony\Polyfill\Mbstring\Mbstring::mb_substr('database', 0, 1, 'UTF-8') #1 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1663): mb_substr('database', 0, 1, 'UTF-8') #2 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1772): Illuminate\Support\Str::substr('database', 0, 1) #3 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1636): Illuminate\Support\Str::ucfirst('database') #4 [internal function]: Illuminate\Support\Str::Illuminate\Support\{closure}('database') #5 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1636): array_map(Object(Closure), Array) #6 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Manager.php(103): Illuminate\Support\Str::studly('database') #7 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Manager.php(80): Illuminate\Support\Manager->createDriver('database') #8 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(159): Illuminate\Support\Manager->driver() #9 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(57): Illuminate\Session\Middleware\StartSession->getSession(Object(Illuminate\Http\Request)) #10 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure)) #11 /home/amazonia/public_html/lib/pkp/classes/middleware/PKPEncryptCookies.php(44): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request)) #12 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): PKP\middleware\PKPEncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure)) #13 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(127): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request)) #14 /home/amazonia/public_html/lib/pkp/classes/core/Dispatcher.php(179): Illuminate\Pipeline\Pipeline->then(Object(Closure)) #15 /home/amazonia/public_html/lib/pkp/classes/core/Dispatcher.php(114): PKP\core\Dispatcher->initSession() #16 /home/amazonia/public_html/lib/pkp/classes/core/PKPApplication.php(426): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #17 /home/amazonia/public_html/index.php(24): PKP\core\PKPApplication->execute() #18 {main} thrown in /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/Mbstring.php on line 667

Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv_substr() in /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/Mbstring.php:667 Stack trace: #0 /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/bootstrap80.php(72): Symfony\Polyfill\Mbstring\Mbstring::mb_substr('database', 0, 1, 'UTF-8') #1 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1663): mb_substr('database', 0, 1, 'UTF-8') #2 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1772): Illuminate\Support\Str::substr('database', 0, 1) #3 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1636): Illuminate\Support\Str::ucfirst('database') #4 [internal function]: Illuminate\Support\Str::Illuminate\Support\{closure}('database') #5 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Str.php(1636): array_map(Object(Closure), Array) #6 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Manager.php(103): Illuminate\Support\Str::studly('database') #7 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Manager.php(80): Illuminate\Support\Manager->createDriver('database') #8 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/SessionServiceProvider.php(52): Illuminate\Support\Manager->driver() #9 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(952): Illuminate\Session\SessionServiceProvider->Illuminate\Session\{closure}(Object(PKP\core\PKPContainer), Array) #10 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(832): Illuminate\Container\Container->build(Object(Closure)) #11 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(763): Illuminate\Container\Container->resolve('session.store', Array) #12 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(1580): Illuminate\Container\Container->make('session.store') #13 /home/amazonia/public_html/lib/pkp/classes/core/PKPAuthManager.php(94): Illuminate\Container\Container->offsetGet('session.store') #14 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Auth/AuthManager.php(96): PKP\core\PKPAuthManager->createSessionDriver('web', Array) #15 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Auth/AuthManager.php(70): Illuminate\Auth\AuthManager->resolve('web') #16 /home/amazonia/public_html/lib/pkp/classes/core/PKPAuthServiceProvider.php(70): Illuminate\Auth\AuthManager->guard() #17 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(952): PKP\core\PKPAuthServiceProvider->PKP\core\{closure}(Object(PKP\core\PKPContainer), Array) #18 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(832): Illuminate\Container\Container->build(Object(Closure)) #19 /home/amazonia/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(777): Illuminate\Container\Container->resolve('auth.driver') #20 /home/amazonia/public_html/lib/pkp/classes/core/PKPRequest.php(549): Illuminate\Container\Container->get('auth.driver') #21 /home/amazonia/public_html/lib/pkp/classes/core/PKPSessionServiceProvider.php(38): PKP\core\PKPRequest->getSessionGuard() #22 [internal function]: PKP\core\PKPSessionServiceProvider->PKP\core\{closure}() #23 {main} thrown in /home/amazonia/public_html/lib/pkp/lib/vendor/symfony/polyfill-mbstring/Mbstring.php on line 667