The Below error occuring when using the default Android connector nms:androidPushConnectorV2.js
to send push notifications:
Error : INT-150006 Failure while processing HTTP request for URL 'https://fcm.googleapis.com/fcm/send'.
Cause: The error was occurring due to the old integration key being stuck with an older version of the application and redirecting the traffic to the wrong source.
Resolution: To create a new service for Android and configure it again.