System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 441.41
Blender Version
Broken: version: 2.83.5, branch: master, commit date: 2020-08-19 06:07, hash: rBc2b144df395f
Worked: (newest version of Blender that worked as expected)
Addon Information
Name: Material Library (0, 6, 0)
Author: Mackraken
Short description of error
[Not save materials]
Exact steps for others to reproduce the error
[Save but not load in new Document]
[Based on the default startup]