Okay, try this updated preset file. I've changed the calendar script from an AppleScript to a shell script and set it to run every 5 seconds instead of 60. Not sure if that will fix things, but I'm not sure why it was an AppleScript in the first place so... can't hurt.
Download: goldenchaos-btt.bttpresetcompressed (2.3 MB)
Made with BTT alpha 2.518.