Bug reports without an attached log file are usually useless.
Re: List index out of bounds (-1) Version 4.2.5 (Build 624)
Thanks for your post. This bug has been added to tracker.
List index out of bounds (-1) Version 4.2.5 (Build 624)
I'm receiving this error when trying to run chown on a folder as a custom command. I just upgraded my installation and never received this error before. I noticed other issues in the forum with this error, but none that apply to v4.2.5.