# Critical Error, labels not visible connected to Firebase apps not sending data or receiving

**URL:** <https://community.thunkable.com/t/critical-error-labels-not-visible-connected-to-firebase-apps-not-sending-data-or-receiving/1495967>\
**Category:** Questions about Thunkable X\
**Created:** [September 9, 2021, 7:16am UTC](https://community.thunkable.com/t/critical-error-labels-not-visible-connected-to-firebase-apps-not-sending-data-or-receiving/1495967 "2021-09-09T07:16:44Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Balanced\_Kitchen](https://avatars.discourse-cdn.com/v4/letter/b/839c29/32.png) [@Balanced\_Kitchen](https://community.thunkable.com/u/Balanced_Kitchen)\
**Post date:** [September 9, 2021, 7:39am UTC](https://community.thunkable.com/t/critical-error-labels-not-visible-connected-to-firebase-apps-not-sending-data-or-receiving/1495967/2 "2021-09-09T07:39:54Z")

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Is this your problem?

> [@Events Not Working](https://community.thunkable.com/t/button-not-pressing/1495834/4):
>
> I think the problem is caused by a block, but I’m still testing to find out who. Because I have projects that load without a problem. PS: I only have this problem on Android devices

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