Fatal error: Uncaught Error: Interface 'JsonSerializable' not found in /home/ugradio7/public_html/vendor/laravel/framework/src/Illuminate/Support/Enumerable.php:11 Stack trace: #0 /home/ugradio7/public_html/vendor/composer/ClassLoader.php(571): include() #1 /home/ugradio7/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/home/ugradio7/...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Illuminate\\Supp...') #3 /home/ugradio7/public_html/vendor/laravel/framework/src/Illuminate/Support/Collection.php(11): spl_autoload_call('Illuminate\\Supp...') #4 /home/ugradio7/public_html/vendor/composer/ClassLoader.php(571): include('/home/ugradio7/...') #5 /home/ugradio7/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/home/ugradio7/...') #6 [internal function]: Composer\Autoload\ClassLoader->loadClass('Illuminate\\Supp...') #7 [internal function]: spl_autoload_call('Illuminate\\Supp...') #8 /home/ugradio7/public_html/vendor/tightenco/collect/src/Colle in /home/ugradio7/public_html/vendor/laravel/framework/src/Illuminate/Support/Enumerable.php on line 11