Fatal error: Uncaught Error: Interface 'JsonSerializable' not found in /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/error.php:11 Stack trace: #0 /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/loader.php(385): require_once() #1 [internal function]: Bitrix\Main\Loader::autoLoad('Bitrix\\Main\\Err...') #2 /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/orm/entityerror.php(11): spl_autoload_call('Bitrix\\Main\\Err...') #3 /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/loader.php(385): require_once('/home/dacreativ...') #4 [internal function]: Bitrix\Main\Loader::autoLoad('Bitrix\\Main\\ORM...') #5 /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/orm/fields/fielderror.php(13): spl_autoload_call('Bitrix\\Main\\ORM...') #6 /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/loader.php(385): require_once('/home/dacreativ...') #7 [internal function]: Bitrix\Main\Loader::autoLoad('Bitrix\\Main\\ORM...') #8 [internal function]: spl_autolo in /home/dacreative/lab.dacreative.ru/docs/bitrix/modules/main/lib/error.php on line 11