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How should I use auto layout constrains inside NSSplitView subview? My NSSplitView subview has 3 subview: topPane , tableContainer and bottomPane and I set the constrains like this: NSDictionary* views = NSDictionaryOfVariableBindings(topPane, tableContainer, bottomPane); for (NSView* view in [views allValues]) { [view setTranslatesAutoresizingMaskIntoConstraints:NO]; } [myView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[topPane(34)][tableContainer][bottomPane(24)]|" options:0 metrics:nil views:views]]; [mySplitView addSubview:myView]; And got this in console: Unable to simultaneously satisfy constraints: ( "<NSLayoutConstraint:0x7fd6c4b1f770 V:[NSScrollView:0x7fd6c4b234c0]-(0)-[CPane:0x7fd6c4b2fd10]>", "<NSLayoutConstraint:0x7fd6c4b30910 V:[CPane:0x7fd6c4b2f870(34)]>", "<NSLayoutConstraint:0x7fd6c4b30770 V:|-(0)-[CPane:0x7fd6c4b2f870] (Names: '|':NSView:0x7fd6c4b22e50 )>", "<NSLayoutConstraint:0x7fd6c4b212f0 V:[CPane:0x7fd6c4b2fd10]-(0)-| (Names: '|':NSView:0x7fd6c4b22e50 )>", "<NSLayoutConstraint:0x7fd6c4b2f910 V:[CPane:0x7fd6c4b2f870]-(0)-[NSScrollView:0x7fd6c4b234c0]>", "<NSLayoutConstraint:0x7fd6c4b21290 V:[CPane:0x7fd6c4b2fd10(24)]>", "<NSAutoresizingMaskLayoutConstraint:0x7fd6c3630430 h=--& v=--& V:[NSView:0x7fd6c4b22e50(0)]>" ) Will attempt to recover by breaking constraint <NSLayoutConstraint:0x7fd6c4b1f770 V:[NSScrollView:0x7fd6c4b234c0]-(0)-[CPane:0x7fd6c4b2fd10]> I think <NSAutoresizingMaskLayoutConstraint:0x7fd6c3630430 h=--& v=--& V:[NSView:0x7fd6c4b22e50(0)]> causes this, but

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