Animators Messing Up On Disable

Hi,

I've tried many times to make a script that switches between weapons.

Fundamentally, the script I recently made works. All it does is if a certain key is pressed, it disables one weapon and enables another. If a different key is pressed, it disables the weapon that was enabled and enables the previously disabled weapon.

However, once I switch weapons a few times, the animator controllers on the objects no longer work. Everything else with the weapons works (Sounds, ammo decreasing, firing etc).

I've looked up these problems and got a bunch of Unity Answers posts with answers that I tried and which didn't work for me. The posts I found were also outdated.

Does anyone have any suggestions? If you need further clarification of anything just ask. Thank you in advance.