Describe the bug
When changing the path of a Shell Script Button in a Touch Bar button, it crashes if it can't execute it.
Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Touch Bar
Device information:
Type of Mac: Macbook Pro 15" 2017 i7 2.8 GhZ 16 GB RAM
macOS version: High Sierra 10.13.3
BetterTouchTool version: 2.503