Random chance for a CoreGui error to be thrown while playtesting in Studio which breaks any usage of the default UIs

Bug Reports Engine Bugs
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#1
  1. Open Roblox Studio
  2. Open an experience
  3. Enter any form of play mode
  4. Observe you may get a series of errors in the output widget, observe the default Roblox UI is now broken and cannot be seen or interacted with

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I cannot seem to figure out what conditions cause this to trigger. It seems random, but I have a few places this consistently happens to.

Expected behavior
The default Roblox UI works while playtesting in Studio.

2 Likes
#2

I’ve had this happen when it takes a while for me to load into studio.