Crash: consistently happens after entering and trying to leave the unlock script

[moonsettler]

Console log:
Bitauth IDE error: failure in "computeEditorState": TypeError: can't access property "instruction", O is undefined

Template:
6c738ce51472783ab44fdacf6882eb63

Steps to reproduce:

1. open template in ide.bitauth.com
2. navigate to Winternitz 160
3. try to navigate to any other script!