Fatal error: During inheritance of JsonSerializable: Uncaught ArgumentCountError: Too few arguments to function _drupal_error_handler(), 4 passed in /var/www/vhosts/delera/public/core/lib/Drupal/Component/Render/FormattableMarkup.php on line 62 and exactly 5 expected in /var/www/vhosts/delera/public/core/includes/bootstrap.inc:580
Stack trace:
#0 /var/www/vhosts/delera/public/core/lib/Drupal/Component/Render/FormattableMarkup.php(62): _drupal_error_handler(8192, 'Return type of ...', '/var/www/vhosts...', 119)
#1 /var/www/vhosts/delera/public/vendor/composer/ClassLoader.php(444): include('/var/www/vhosts...')
#2 /var/www/vhosts/delera/public/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/var/www/vhosts...')
#3 /var/www/vhosts/delera/public/core/lib/Drupal/Component/Utility/SafeMarkup.php(96): Composer\Autoload\ClassLoader->loadClass('Drupal\\Componen...')
#4 /var/www/vhosts/delera/public/core/includes/errors.inc(244): Drupal\Component\Utility\SafeMarkup::format('%type: @message...', Array)
#5 /var/www/vhosts/delera/public/core/includes/bootstrap.inc(600): _drupal_log_error(Array, true)
#6 [internal function]: _drupal_exception_handler(Object(ArgumentCountError))
#7 {main} in /var/www/vhosts/delera/public/core/lib/Drupal/Component/Render/FormattableMarkup.php on line 62