Error: Did not receive a response status from last notification sent

Edit: solve by Onesignal Support

For 6 months, the plugin has stopped working; It show a red message message “Did not receive a response status from last notification sent”.
Please help me to solve this problem. 2 years it went perfectly. I do not know what happened

• This topic was modified 1 year, 4 months ago by nickadrian9119.
• This topic was modified 1 year, 4 months ago by nickadrian9119.