Warning: Uncaught Exception: Warning: require(/sites/redelease/public_html/pub/errors/503.php): failed to open stream: No such file or directory in /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler/Redis.php on line 99 in /sites/redelease/public_html/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler/Redis.php(99): Magento\Framework\App\ErrorHandler->handler(2, 'require(/sites/...', '/sites/redeleas...', 99, Array) #1 /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler/Redis.php(99): require() #2 /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler.php(138): Magento\Framework\Session\SaveHandler\Redis->read('l1lr9kckm42s76q...') #3 /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler.php(83): Magento\Framework\Session\SaveHandler->callSafely('read', 'l1lr9kckm42s76q...') #4 [internal function]: Magento\Framework\Session\SaveHandler->read('l1lr9k in /sites/redelease/public_html/vendor/magento/framework/App/ErrorHandler.php on line 61

Fatal error: Magento\Framework\Session\SaveHandler\Redis::read(): Failed opening required '/sites/redelease/public_html/pub/errors/503.php' (include_path='/sites/redelease/public_html/generated/code:/sites/redelease/public_html/generated/code:/sites/redelease/public_html/vendor/magento/zendframework1/library:.:/usr/share/php') in /sites/redelease/public_html/vendor/magento/framework/Session/SaveHandler/Redis.php on line 99

Fatal error: Uncaught Exception: Warning: session_write_close(): Cannot call session save handler in a recursive manner in /sites/redelease/public_html/vendor/magento/framework/Session/SessionManager.php on line 151 in /sites/redelease/public_html/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 [internal function]: Magento\Framework\App\ErrorHandler->handler(2, 'session_write_c...', '/sites/redeleas...', 151, Array) #1 /sites/redelease/public_html/vendor/magento/framework/Session/SessionManager.php(151): session_write_close() #2 [internal function]: Magento\Framework\Session\SessionManager->writeClose() #3 {main} thrown in /sites/redelease/public_html/vendor/magento/framework/App/ErrorHandler.php on line 61