ZDoom

I've been able to reproduce this a few times w/ reelism2 (reelism2_v0.5_earlyexcess.pk3, reelism2_v0.6_earlyexcess.pk3, and a repacked reelism2_v0.6_earlyexcess.pk3 with a menuentry patch)
by running `gzdoom -iwad DOOM2.WAD -file reelism2_v0.6_earlyexcess.pk3 +map minigut +summon Slot3_Wizards` and triggering vehicle explosions

unfortunately due to the nature of the crash I'm unable to record a lmp to reproduce it reliably

Actor of class Splot_GroundFireFlame is destroyed during execution of its Tick() function. This leads to quite unpredictable consequences in sound system.

Thanks for looking into this. I wish I had a better grasp of what was going on -- I'll point the mod devs in this direction!

Thanks for the heads up, I've moved the check in question out of Tick() into an anonymous function in the states.

Should be fixed with e281f99.