Bug Report: chart editor crash after removing notes and ctrl zing

[WuffGaming]

What version of the engine are you using?

Version: 1.0.1

Which target are you using?

[x ] Windows
[ ] Linux
[ ] Mac

Explain your issue

Please check first if your issue haven't already been reported yet.

title

[r6915ee]

Interesting; for me, undoing the note removal on a one-strumline chart simply does not work. I don't get any crashes.