crash when extract sde_materials_dir.vpk

[newmoonbat]

Describe the Bug

crash when extract sde_materials_dir.vpk
"sde_materials_dir.vpk" from Snowdrop Escape(HL2mod verison rather than steam version)
download in moddb
https://www.moddb.com/mods/sde

To Reproduce

click sde_materials_dir.vpk >right-click "materials" folder in VPKedit >click extract folder>choice "D:\steam\steamapps\sourcemods\snowdrop_escape" > crash

VPKEdit Version

5.0.0beta4

Operating System

windows10 21H1