android - Google Cloud Messaging Authentication Error (401) -

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i using python-gcm push notification backend server.

i can send push notifications android application local computers. works expected.

however, when run server following error:

gcmauthenticationexception: there error authenticating sender account

the server whitelisted (i added ipv4, ipv6, 0.0.0.0/0 make sure). api key right, copied config file.

what else can reason not working?

i had similar problem , way got work add 0.0.0.0/0 whitelist.


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