Reproduction steps:
1. Open project “L-System.zip”
2. Open “MainScene”
3. Enter Play Mode
4. Press the “A” key about 10 times fast

Expected results: several meshes are generated
Actual result: Editor crashes

Reproducible with: 2021.3.30f1
Not reproducible with: 2022.3.11f1, 2023.1.16f1, 2023.2.0b13, 2023.3.0a9
Fixed in: 2021.3.31f1

Reproducible on: macOS Ventura 13.2.1 (Intel), Windows 10 (by the reporter)
Not reproducible on: no other environment tested

Notes:
- Not reproducible when disabling projection or using Hinge Joints
- Couldn’t test in Standalone Player due to compiler errors upon building

First few lines of StackTrace:
{noformat}
0x00007FF7BF26FD1B (Unity) physx::Sc::ConstraintProjectionTree::projectionTreeBuildStep
0x00007FF7BF263783 (Unity) physx::Sc::ConstraintProjectionTree::buildProjectionTrees
0x00007FF7BF30442E (Unity) physx::Sc::ConstraintProjectionManager::processPendingUpdates
0x00007FF7BF275A83 (Unity) physx::Sc::Scene::stepSetupCollide
0x00007FF7BF27585A (Unity) physx::Sc::Scene::simulate{noformat}