send notification error

[Dua Yong Rew]

Hi,

I got a send notification fail error 503

what is this error code?

Thanks

[Dua Yong Rew]

2017.10.12 09:00:00.396 Notifications: failed send request [503] 

this is the exact msg

[William Roeder]

Since 503 doesn't exist in the list of error codes, I'd assume its 503 Service Unavailable — httpstatuses.com

[Dua Yong Rew]

Hmmm.... Means my server offline.

Omg....