I have had FileMaker 15 ProAdvanced 18.104.22.168 Mac crash twice today. In both cases, I was primarily working on adding fields to database. I closed Manage Database. Went into Layout mode on the current layout. Changed layouts, went to browse mode and then clicked a button. The script should have navigated to a different layout. When I clicked the button the FileMaker Pro Advanced crashed and generated the attached reports.
The file is hosted on a local development server. After the first crash, I downloaded a copy of the file and ran it through the recovery process. No issues were detected.
The computer is a Mid 2012 MacBook Pro running OS X 10.10.5 Yosemite.
Please let me know if there is any additional information I can send.