Something still not right... and may be on my end (I'm not strong in the ways of the MAC).

Anyhow, the report is different, so may shed more light:

Process:               ZettelKasten-Qt [356]
Path:                  /Volumes/VOLUME/ZettelKasten-Qt.app/Contents/MacOS/ZettelKasten-Qt
Identifier:            org.zettelkasten.ZettelKasten-Qt
Version:               $VERSION ($VERSION)
Code Type:             X86-64 (Native)
Parent Process:        [1]
Responsible:           ZettelKasten-Qt [356]
User ID:               501

Date/Time:             2021-01-10 15:18:17.575 -0500
OS Version:            Mac OS X 10.10.5 (14F2511)
Report Version:        11
Anonymous UUID:        F2410621-1414-EB30-4A2D-29AF43C1A0E7


Time Awake Since Boot: 390 seconds

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

Exception Type:        EXC_BREAKPOINT (SIGTRAP)
Exception Codes:       0x0000000000000002, 0x0000000000000000

Dyld Error Message:
  Symbol not found: _clock_gettime
  Referenced from: /Volumes/VOLUME/ZettelKasten-Qt.app/Contents/MacOS/../Frameworks/libdb_cxx-4.8.dylib (which was built for Mac OS X 10.13)
  Expected in: /usr/lib/libSystem.B.dylib