Ionic/Meteor Error

Hi All,

I have implemented a chat app and am getting the following error when I try send a message. I don’t have a clue what this means, can anyone please shed some light?

Thanks

zone.js (line 101)
Unhandled Promise rejection: this._hSubscribes is null ; Zone: <root> ; Task: Promise.then ; Value:
TypeError: this._hSubscribes is null
	

this._hSubscribes.push(hSubscribe);

zone.js (line 461)
Error: Uncaught (in promise): TypeError: this._hSubscribes is null
	

throw new Error("Uncaught (in promise): " + value);

zone.js (line 538)
Native: tried calling Push.init, but Cordova is not available. Make sure to include cordova.js or run in a device/simulator
app.bundle.js (line 91514)
Unhandled Promise rejection: this._hSubscribes is null ; Zone: <root> ; Task: Promise.then ; Value:
TypeError: this._hSubscribes is null
	

this._hSubscribes.push(hSubscribe);

zone.js (line 461)
Error: Uncaught (in promise): TypeError: this._hSubscribes is null
	

throw new Error("Uncaught (in promise): " + value);

zone.js (line 538)
Unhandled Promise rejection: this._hSubscribes is null ; Zone: <root> ; Task: Promise.then ; Value:
TypeError: this._hSubscribes is null
	

this._hSubscribes.push(hSubscribe);

zone.js (line 461)
Error: Uncaught (in promise): TypeError: this._hSubscribes is null
	

throw new Error("Uncaught (in promise): " + value);