Testing app on IOS and got this error : "Error from Companion: error: Impossible to set up layout with view hierarchy unprepared for constraint.."

[Willen_Dominic_Laxam]

When I press a button that opens another screen, a runtime error keeps on appearing "Error from Companion: error: Impossible to set up layout with view hierarchy unprepared for constraint." then logs me out of the app of the companion.

Is it because my app is not eligible for IOS?

[TIMAI2]

How to ask a question (open new topic)

Before you ask a question / open a new topic please take care of the following points: The forum was previously searched for similar topics / issues. Give a precise (detailed) description of the issue / bug, the goal. Show the (relevant) blocks (images, screenshots of blocks in high quality). Debug your blocks (connect to Companion and right mouse click: → Do it). Name the Android / iOS version running on your (test) device. Do not open multiple threads on the same topic. If you haven't al…

[Willen_Dominic_Laxam]

Hello @TIMAI2 ,

Thanks for the reply, here is what happened (video) :

Then it just crashes (lags, then shuts down the companion).

[Willen_Dominic_Laxam]

And on the App inventor, I get this error message:

[TIMAI2]

You have just told us the same things again, we have no idea what your app is doing/trying to do.

1. Does your app work if you use an android device for testing?
2. Show your relevant blocks

[Willen_Dominic_Laxam]

@TIMAI2

Does your app work if you use an android device for testing?

Yes, I've used an android device for testing all of the time, I've only used IOS once.

@TIMAI2

Show your relevant blocks

Alright,

These blocks are used to navigate throughout the app.