Simulator version12.3 showing errors

Question

Created Dec ’20

Replies 3

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When I run the app in the Simulator 12.3, I get the following errors but Xcode 12.3 is not showing any problems with the code. I get the same errors with any selected device. Is this a Simulator bug, an issue with Xcode or SwiftUI issue, etc?

"<NSLayoutConstraint:0x600002fe1f40 'BIBTrailingCBLeading' H:[UIModernBarButton:0x15b627e90]-(6)-[UIModernBarButton:0x15b626920'Recent Data'] (active)>",

"<NSLayoutConstraint:0x600002fe1f90 'CBTrailingTrailing' UIModernBarButton:0x15b626920'Recent Data'.trailing <= UIButtonBarButton:0x15b625f50.trailing (active)>",

"<NSLayoutConstraint:0x600002fe2da0 'UINavstaticbuttonhorizposition' UIModernBarButton:0x15b627e90.leading == UILayoutGuide:0x60000359e920'UIViewLayoutMarginsGuide'.leading (active)>",

"<NSLayoutConstraint:0x600002fe2df0 'UINavItemContentGuide-leading' H:[UIButtonBarButton:0x15b625f50]-(0)-[UILayoutGuide:0x60000359e840'UINavigationBarItemContentLayoutGuide'] (active)>",

"<NSLayoutConstraint:0x600002fe5db0 'UINavItemContentGuide-trailing' UILayoutGuide:0x60000359e840'UINavigationBarItemContentLayoutGuide'.trailing == UINavigationBarContentView:0x15b61b5d0.trailing (active)>",

"<NSLayoutConstraint:0x600002fe3570 'UIView-Encapsulated-Layout-Width' UINavigationBarContentView:0x15b61b5d0.width == 0 (active)>",

"<NSLayoutConstraint:0x600002fe6170 'UIView-leftMargin-guide-constraint' H:|-(0)-[UILayoutGuide:0x60000359e920'UIViewLayoutMarginsGuide'] (active, names: '|':UINavigationBarContentView:0x15b61b5d0 )>"

Boost

Answer 1

BabyJ OP

Dec ’20

I get a lot of this ‘stuff’ in the output terminal but I don’t think they are errors, more just Xcode throwing random comments about constraints and navigation bars.

1

Answer 2

JonathanMatthewBeck OP

Jan ’21

I too have this type of warning in console with

Will attempt to recover by breaking constraint <NSLayoutConstraint:0x60000099aa30 BIB_Trailing_CB_Leading

I wonder if this would prevent App Store from approving the App or if it's a warning we can ignore?

0

Answer 3

Apfelgruen OP

Jan ’21

Hello
in fact i'm getting the same messages in the debug area of the Xcode window. But there are no Compile Errors nor functional problems (not to talk about my own problems in understanding SwiftUI).

0