Common notifications log errors

In some situations, individual sends or a whole batch of messages can fail. See below for a list of the most common errors:

Error message	Channel	Meaning
`Not personalised`	All	Personalisation issue (wrong syntax, missing attribute or missing fallback value, twig not enabled for project).
`Device_unregistered`	App push	The app has been uninstalled or it cannot longer be reached from the gateway
`Sender_ID_mismatch`	Android push	The sender ID uploaded to the XtremePush platform doesn't match the sender ID used to generate the push token.
`Post` "https://api.push.apple.com...`	iOS push	Expired iOS certificate. Replace it following instructions here.
`Unable to connect to 'ssl://gateway.push.apple.com...`	iOS push	Expired iOS certificate. Replace it following instructions here.
`BadDeviceToken`	iOS push	Token mismatch (possibly using sandbox token for production app or viceversa).
`Invalid from param`	SMS	From name is not correct. Must follow format outlined here.
`Gone`	Web push	The subscription for the device is no longer active or the service worker on that particular device has been removed
`DeviceTokenNotForTopic`	iOS push	The app push certificate and bundle ID are mismatched. Verify that the bundle ID saved in Xtremepush (application settings) matches exactly the bundle ID in the application source code.