Product and version: FileMaker Pro 16.0.1
OS and version: Mac OS 10.11.6
Hardware: MacBook Pro
Card window open in one window; editing its layout in another. Cmd-S to save the edited layout causes FM to crash.
How to replicate:
• Have two FM windows open.
• In one, open a card window.
• In the other, navigate to the card window's layout.
• Enter layout mode and make a change.
• Cmd-S to save the layout change.
Close the card window before editing.