Welcome To Hell V2.9.2

Sad to hear that. I'm unsure as to what could be causing that but my thoughts would be another mod conflicting. I haven't played Starbound with my mod for about 4 or so months and the devs haven't made any updates to the game since. I'll go give the mod a try sometime later to see if there is a problem. Did you make sure to only install one of the folders in the Rar file? Both mod folders have the same armor and workbench assets in them but only one of them has the weapons. That is really the only thing I can think of that would cause that type of crash right now.

https://starbounder.org/Version_history
I'm seeing no updates for the game that have been released since my last release and I checked my code three times over to make sure it was completely stable. This mod is not tested with the "Starbound Unstable" version of the game and I entirely urge you not to use that version of the game. I've tested this all out in game by spamming every weapon with god mode on as much as I could with maxed rate of fire with no crashes nor much frame drop. Everything here is using the base engine of the game as well as base game assets. If you are having problems, I highly doubt it is this mod but if you believe otherwise then try to see what is going wrong in your crash log.

A couple things to make sure on your end:
Make sure you are on the current version of the stable 1.3.3 version of the game, make sure that your computer has no issues (as in driver failures, gpu failures, or blue screens), and make sure you are not running a pirated version of the game.

No one else has been reporting any problems whatsoever so I really cannot give you anymore advice than that.