Stack Overflow Error When Editing UMG

Development Programming & Scripting UI
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I get the following error when I am editing an UI using UMG, which crashes the editor:

First-chance exception at 0x00007FF8BD29DBFD (UE4Editor-Core.dll) in UE4Editor.exe: 0xC00000FD: Stack overflow (parameters: 0x0000000000000001, 0x000000A3E3973FE8).
Unhandled exception at 0x00007FF8BD29DBFD (UE4Editor-Core.dll) in UE4Editor.exe: 0xC00000FD: Stack overflow (parameters: 0x0000000000000001, 0x000000A3E3973FE8).

I haven’t figured out which events trigger this error, but it seems to happen randomly when I move around components like Overlays in the editor. Also, this error sometimes happens if I leave the UMG editor open for too long.

It breaks at the following code segment in Text.cpp (line 756):

History->Rebuild(DisplayString);

Is this a known issue? I’m using Unreal 4.5.1