Null Reference Exception

Introduction
Experience intense 3D bullet hell action in an advanced laboratory where you, as an AI from the distant future, participate in combat simulations. Continuously swap and combine various modules to repeat training and perfect your skills. Experience 3D bullet hell action with your unique combination of modules.

How to Play

Training Start: Begin combat and tackle ongoing enemy waves; bosses must be defeated within a time limit.
Module Selection: Choose your player modules. Locked parts can be unlocked with achievement rewards or achievement points.
Enhancement Center: Enhance your player's stats. Enhancement points are obtained as a byproduct of combat training. (Currently, all enhancements (perks) are passive, but future updates may include active special abilities.)
Achievements: Earn achievements based on the progression of various content. Rewards can include achievement points or module unlocks.
Controls

[W, A, S, D]: Move, move camera in perk (enhancement) scene
[Left, Right Click]: Use left, right weapons
[Q, E]: Use shoulder weapons
[L Shift]: Booster
[Mouse Wheel Click]: Lock On (force targeting of enemies)
[`]: Open control guide
[ESC]: Pause (during game), Skip (tutorial)
[Tab]: Skip dialogue (tutorial)