I've regenerated a new api key google developer console and add that key into app42 management console also.
But still I'm not getting the push notification yet.
I'm still getting this error in the push log.
Message Sent to device: APA91bEXa-_pFRhlPBPs9ByDyaJYG1qAQJLW7CWKockLoRw6aKBevU_iUZR5UshYaq61rg7U5irEAX1mHseDsu4F8vEzadF5fD95ceu482axiEcfbMGqgvguZ-kQCRvaZXhDXYT4qz7Sm3AiRI1dY6Y4Ud1BKcp33Q : [ errorCode=MismatchSenderId ]