Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv_strpos() in /home/storage/4/58/7d/fonix1/public_html/vendor/symfony/polyfill-mbstring/Mbstring.php:351 Stack trace: #0 /home/storage/4/58/7d/fonix1/public_html/vendor/symfony/polyfill-mbstring/bootstrap.php(32): Symfony\Polyfill\Mbstring\Mbstring::mb_strpos(NULL, '/json', 0, 'UTF-8') #1 /home/storage/4/58/7d/fonix1/public_html/vendor/laravel/framework/src/Illuminate/Support/Str.php(69): mb_strpos(NULL, '/json') #2 /home/storage/4/58/7d/fonix1/public_html/vendor/laravel/framework/src/Illuminate/Http/Request.php(596): Illuminate\Support\Str::contains(NULL, Array) #3 /home/storage/4/58/7d/fonix1/public_html/vendor/laravel/framework/src/Illuminate/Http/Request.php(564): Illuminate\Http\Request->isJson() #4 /home/storage/4/58/7d/fonix1/public_html/vendor/laravel/framework/src/Illuminate/Http/Request.php(733): Illuminate\Http\Request->getInputSource() #5 /home/storage/4/58/7d/fonix1/public_html/vendor/laravel/framework/src/Illuminate/Http/Re in /home/storage/4/58/7d/fonix1/public_html/vendor/symfony/polyfill-mbstring/Mbstring.php on line 351