I'm having exactly the same issue with Kstars v3.2.3 on a MacMini running Mojave (latest version). Is there any fix available that doesn't require recompilation? Thanks.

From Terminal:

/Applications/kstars.app/Contents/MacOS/astrometry/bin/solve-field -O --no-plots --no-verify --resort --downsample 2 -3 302.86 -4 35.8056 -5 15 --config /Applications/kstars.app/Contents/MacOS/astrometry/bin/astrometry.cfg -W /private/var/folders/k7/18sgd_pd0fd_khn8l64crc0r0000gn/T/solution.wcs /Users/rnlucas/Documents/ekos/NGC6883/Light/NGC6883_Light_055.fits
Reading input file 1 of 1: "/Users/rnlucas/Documents/ekos/NGC6883/Light/NGC6883_Light_055.fits"...
Illegal instruction: 4

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