As Scott said, AC 19 is not supported for Mojave. So, if you have crashes, your only options are to downgrade your OS, boot from a bootable High Sierra clone (which you made before upgrading to Mojave, right?), run a virtual machine that has an earlier MacOS via Parallels Desktop etc (with associated performance hit), or pay to upgrade to AC 21 or 22...
https://helpcenter.graphisoft.com/knowledgebase/84821/
One of the forum moderators
AC 27 USA and earlier • macOS Ventura 13.6.9, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB