Request to GCM was not successful Status Code: 401

[sdanigo]

application capousseou shared with support
When sending a push notification, I have this message
Request to GCM was not successful Status Code: 401

I've checked all my credentials and all seems to be ok.
Do you have an idea ?

Thanks

Sylvain

[Serhii Kulibaba]

Hello Sylvain,

Let's continue our discussion in the ticket #30833