Skip to contentSkip to navigationSkip to topbar
Rate this Page:

Invalid custom key for GCM/FCM



ERROR: 52107

error-52107 page anchor
NOTIFICATIONS
ERROR

Invalid custom key for GCM/FCM

invalid-custom-key-for-gcmfcm page anchor

Possible Causes

possible-causes page anchor
  • You have specified an invalid key in the custom key-value pair section of the payload.
  • GCM/FCM rejects some keys including from, gcm and anything prefixed by google. Make sure you are not using any of these keys.

Rate this Page: