Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv_substr() in /home/caeli2/vendor/symfony/polyfill-mbstring/Mbstring.php:420 Stack trace: #0 /home/caeli2/vendor/symfony/polyfill-mbstring/bootstrap.php(36): Symfony\Polyfill\Mbstring\Mbstring::mb_substr('php', 0, 64, 'UTF-8') #1 /home/caeli2/public_html/includes/unicode.inc(593): mb_substr('php', 0, 64) #2 /home/caeli2/public_html/modules/dblog/dblog.module(154): drupal_substr('php', 0, 64) #3 /home/caeli2/public_html/includes/module.inc(926): dblog_watchdog(Array) #4 /home/caeli2/public_html/includes/bootstrap.inc(2007): module_invoke('dblog', 'watchdog', Array) #5 /home/caeli2/public_html/includes/errors.inc(210): watchdog('php', '%type: !message...', Array, 3) #6 /home/caeli2/public_html/includes/bootstrap.inc(2604): _drupal_log_error(Array, true) #7 [internal function]: _drupal_exception_handler(Object(Error)) #8 {main} thrown in /home/caeli2/vendor/symfony/polyfill-mbstring/Mbstring.php on line 420