Skip to content
Skip to navigation
Skip to topbar
Twilio Logo
Twilio Docs
Search
Search
Messaging
Voice
Serverless
Flex
Studio
All docs...
SDKs
Help
Help
Search
Log in
Sign up
On this page
ERROR: 52107
Error - 52107
Invalid custom key for GCM/FCM
On this page
ERROR: 52107
Error - 52107
Invalid custom key for GCM/FCM
52107: Invalid custom key for GCM/FCM
Positive Feedback
Negative Feedback
ERROR: 52107
error-52107 page anchor
Positive Feedback
Negative Feedback
NOTIFICATIONS
ERROR
Error - 52107
error---52107 page anchor
Positive Feedback
Negative Feedback
Invalid custom key for GCM/FCM
invalid-custom-key-for-gcmfcm page anchor
Positive Feedback
Negative Feedback
Possible Causes
possible-causes page anchor
You have specified an invalid key in the custom key-value pair section of the payload.
Possible Solutions
possible-solutions page anchor
GCM/FCM rejects some keys including from, gcm and anything prefixed by google. Make sure you are not using any of these keys.