# Issue with Testing of Application - Used to work?

**URL:** <https://community.thunkable.com/t/issue-with-testing-of-application-used-to-work/45218>\
**Category:** Questions about Thunkable X\
**Created:** [September 6, 2018, 12:03am UTC](https://community.thunkable.com/t/issue-with-testing-of-application-used-to-work/45218 "2018-09-06T00:03:38Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Mark](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/mark/32/18133_2.png) [@Mark](https://community.thunkable.com/u/Mark)\
**Post date:** [September 9, 2018, 8:54pm UTC](https://community.thunkable.com/t/issue-with-testing-of-application-used-to-work/45218/6 "2018-09-09T20:54:26Z")

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I put a comment in @jacob1’s issue report that might be worth repeating here for anyone who has a similar issue:

> AFAICT, this is working as intended. You cannot navigate forward between screens in different navigators. One way to fix your issue would be to move Screen1 into your Screen Navigator. Alternatively, you could have your button in Screen1 navigate to Stack Navigator1 rather than Screen2
> 
> I’m not sure why this might have worked previously. If so, it was not supposed to 😉

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