Corrupted configuration files often cause projectile failures. This sounds scary, but it is safe.
If you use the RPG Growth mod alongside FU, check your settings. Enabling "Classic Mode" in RPG Growth can accidentally disable your ability to deal damage with certain weapons. 2. Hunting Down Mod Conflicts Starbound Frackin Universe Guns Not Working Fix
If you recently removed an incompatible mod but your guns still don't work, the conflicting script may be "baked" into your current save or item. Starbound Frackin Universe Guns Not Working Fix
This is the #1 culprit. It adds detailed stat descriptions but completely breaks FU’s procedural gun scripts. Starbound Frackin Universe Guns Not Working Fix
Let other players know in the comments which solution worked for you.