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Resizing parent RectTransform when child RectTransform is selected results in "Look rotation viewing vector is zero" error



Reproduction steps:
1. Open the attached project "";
2. Open the test.unity scene;
3. Select "Panel 2";
4. While the "Panel 2" is still selected, try to resize the parent "Panel 1" by grabbing its' bounds;

Expected results: the parent panel will be resized;
Actual results: The editor is spamming "Look rotation viewing vector is zero" error in the console window and freezes eventually.

Reproduced on: 5.5.1f1, 5.6.0b8, 5.4.4p3.

Comments (1)

  1. ModularBuilds

    May 13, 2017 10:31

    I'm pretty sad that they won't fix this, it's been a BIG problem for me all the way back to Unity 4.3!

    For anyone wondering about the workaround, goto the object you tried to edit the bounds of, click the gear icon, then click reset. This should bring back your object's scale and position from being 'NaN'. You'll have to fix the scale and positioning yourself if it wasn't 0,0,0.

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