System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1660 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 496.13

Blender Version
Broken: version: 2.93.5, branch: master, commit date: 2021-10-05 12:04, hash: rBa791bdabd0b2
Worked: (newest version of Blender that worked as expected)

Addon Information
Name: Curve Tools (0, 4, 5)
Author: Mackraken

Short description of error
[Please fill out a short description of the error here]

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]