Question

OS Version:            Mac OS X 10.11.6 (15G22010)

Report Version:        11

Anonymous UUID:        FA31331E-0997-2335-6B91-775C4ECD68BD

Time Awake Since Boot: 2700 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BREAKPOINT (SIGTRAP)

Exception Codes:       0x0000000000000001, 0x0000000000000000

Exception Note:        EXC_CORPSE_NOTIFY

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread

0   com.antares.Harmony Engine.vst3 0x0000000116e9fd57 GetPluginFactory + 96903

1   com.antares.Harmony Engine.vst3 0x0000000116e9faef GetPluginFactory + 96287

Answer 1

As you can see in your edited post above, the cause is Antares Harmony Engine.  Uninstall it and see if the crashes stop.  If so, re-install it with the latest version installer. Or use another format with it other than VST3, AU perhaps.