Drupal 7 push notification . Error when sending push to ios devices -

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i have issue when trying send push ios devices. warning: stream_socket_client(): unable set private key file sites/all/modules/push_notifications/certificates/apns-production-48d49d3853.pem' in push_notifications_apns_feedback_service().

help,please.

first need certificate file push notification, , need rename "apns-production-48d49d3853.pem" put [you-site]/modules/push_notifications/certificates/ folder


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