"Missing files" despite the fact that they exist

[spacepowder]

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Running Blender 4.4.3 via Steam (Linux), both the addon and parts library are the latest versions. Here's what Blender's log says when I attempt to import anything:

bpy.ops.object.select_all(action='SELECT')
bpy.ops.object.delete(use_global=False)
Deleted 3 object(s)
bpy.context.space_data.recent_folders_active = 0
bpy.ops.mesh.primitive_plane_add(size=40, enter_editmode=False, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
16:39:56.98 [importldraw] The LDraw Parts Library path to be used is: /home/spacepowder/Documents/LDraw/ldraw/parts/
16:39:56.98 [importldraw] Use LSynth Parts requested
16:39:56.98 [importldraw] High-res primitives selected
16:39:56.98 [importldraw] Loading stud files
16:39:56.98 [importldraw] Loading files
16:39:56.98 [importldraw] WARNING: Missing file 3032.dat
Missing file 3032.dat
16:39:56.98 [importldraw] WARNING: Missing file 2625.dat
Missing file 2625.dat
16:39:56.98 [importldraw] WARNING: Missing file 3008.dat
Missing file 3008.dat
16:39:56.98 [importldraw] WARNING: Missing file 2626.dat
Missing file 2626.dat
16:39:56.98 [importldraw] WARNING: Missing file 3622.dat
Missing file 3622.dat
16:39:56.98 [importldraw] WARNING: Missing file 3062b.dat
Missing file 3062b.dat
16:39:56.98 [importldraw] WARNING: Missing file 4592.dat
Missing file 4592.dat
16:39:56.98 [importldraw] WARNING: Missing file 4593.dat
Missing file 4593.dat
16:39:56.98 [importldraw] WARNING: Missing file 3020.dat
Missing file 3020.dat
16:39:56.98 [importldraw] WARNING: Missing file 3666.dat
Missing file 3666.dat
16:39:56.98 [importldraw] WARNING: Missing file 4079.dat
Missing file 4079.dat
16:39:56.98 [importldraw] WARNING: Missing file 6636.dat
Missing file 6636.dat
16:39:56.98 [importldraw] WARNING: Missing file 4865a.dat
Missing file 4865a.dat
16:39:56.98 [importldraw] WARNING: Missing file 3010.dat
Missing file 3010.dat
16:39:56.98 [importldraw] WARNING: Missing file 3004.dat
Missing file 3004.dat
16:39:56.98 [importldraw] WARNING: Missing file 6565.dat
Missing file 6565.dat
16:39:56.98 [importldraw] WARNING: Missing file 6564.dat
Missing file 6564.dat
16:39:56.98 [importldraw] WARNING: Missing file 4856.dat
Missing file 4856.dat
16:39:56.98 [importldraw] WARNING: Missing file 3023b.dat
Missing file 3023b.dat
16:39:56.98 [importldraw] WARNING: Missing file 3068b.dat
Missing file 3068b.dat
16:39:56.98 [importldraw] WARNING: Missing file 3039.dat
Missing file 3039.dat
16:39:56.98 [importldraw] WARNING: Missing file 3022.dat
Missing file 3022.dat
16:39:56.98 [importldraw] WARNING: Missing file 3002.dat
Missing file 3002.dat
16:39:56.98 [importldraw] WARNING: Missing file 4287.dat
Missing file 4287.dat
16:39:56.98 [importldraw] WARNING: Missing file 2377.dat
Missing file 2377.dat
16:39:56.98 [importldraw] WARNING: Missing file 3040a.dat
Missing file 3040a.dat
16:39:56.98 [importldraw] WARNING: Missing file 3040b.dat
Missing file 3040b.dat
16:39:56.98 [importldraw] WARNING: Missing file 2357.dat
Missing file 2357.dat
16:39:56.98 [importldraw] WARNING: Missing file 2431.dat
Missing file 2431.dat
16:39:56.98 [importldraw] WARNING: Missing file 3710.dat
Missing file 3710.dat
16:39:56.98 [importldraw] WARNING: Missing file 2458.dat
Missing file 2458.dat
16:39:56.98 [importldraw] WARNING: Missing file 2412b.dat
Missing file 2412b.dat
16:39:56.98 [importldraw] WARNING: Missing file 32028.dat
Missing file 32028.dat
16:39:56.98 [importldraw] WARNING: Missing file 6232.dat
Missing file 6232.dat
16:39:56.98 [importldraw] WARNING: Missing file 3460.dat
Missing file 3460.dat
16:39:56.98 [importldraw] WARNING: Missing file 4081b.dat
Missing file 4081b.dat
16:39:56.98 [importldraw] WARNING: Missing file 6141.dat
Missing file 6141.dat
16:39:56.98 [importldraw] WARNING: Missing file 3795.dat
Missing file 3795.dat
16:39:56.98 [importldraw] WARNING: Missing file 2437.dat
Missing file 2437.dat
16:39:56.98 [importldraw] WARNING: Missing file 4625.dat
Missing file 4625.dat
16:39:56.98 [importldraw] WARNING: Missing file 4857.dat
Missing file 4857.dat
16:39:56.98 [importldraw] WARNING: Missing file 32083.dat
Missing file 32083.dat
16:39:56.98 [importldraw] WARNING: Missing file 4213.dat
Missing file 4213.dat
16:39:56.98 [importldraw] WARNING: Missing file 3031.dat
Missing file 3031.dat
16:39:56.98 [importldraw] WARNING: Missing file 2540.dat
Missing file 2540.dat
16:39:56.98 [importldraw] WARNING: Missing file 3700.dat
Missing file 3700.dat
16:39:56.98 [importldraw] WARNING: Missing file 2413.dat
Missing file 2413.dat
16:39:56.98 [importldraw] WARNING: Missing file 3037.dat
Missing file 3037.dat
16:39:56.98 [importldraw] WARNING: Missing file 2743.dat
Missing file 2743.dat
16:39:56.98 [importldraw] WARNING: Missing file 30365.dat
Missing file 30365.dat
16:39:56.98 [importldraw] WARNING: Missing file 4070.dat
Missing file 4070.dat
16:39:56.98 [importldraw] WARNING: Missing file 3660b.dat
Missing file 3660b.dat
16:39:56.98 [importldraw] WARNING: Missing file 3003.dat
Missing file 3003.dat
16:39:56.98 [importldraw] WARNING: Missing file 4864b.dat
Missing file 4864b.dat
16:39:56.98 [importldraw] WARNING: Missing file 4733.dat
Missing file 4733.dat
16:39:56.98 [importldraw] WARNING: Missing file 3673.dat
Missing file 3673.dat
16:39:56.98 [importldraw] WARNING: Missing file 15790.dat
Missing file 15790.dat
16:39:56.98 [importldraw] WARNING: Missing file 30355.dat
Missing file 30355.dat
16:39:56.98 [importldraw] WARNING: Missing file 30356.dat
Missing file 30356.dat
16:39:56.98 [importldraw] WARNING: Missing file 30383.dat
Missing file 30383.dat
16:39:56.98 [importldraw] WARNING: Missing file 3587.dat
Missing file 3587.dat
16:39:56.98 [importldraw] Creating NodeGroups
16:39:56.98 [importldraw] createBlenderDistanceToCenterNodeGroup #create
16:39:56.98 [importldraw] createBlenderVectorElementPowerNodeGroup #create
16:39:56.98 [importldraw] createBlenderConvertToNormalsNodeGroup #create
16:39:56.98 [importldraw] createBlenderConcaveWallsNodeGroup #create
16:39:56.98 [importldraw] createBlenderSlopeTextureNodeGroup #create
16:39:56.99 [importldraw] createBlenderFresnelNodeGroup #create
16:39:56.99 [importldraw] createBlenderReflectionNodeGroup #create
16:39:56.99 [importldraw] createBlenderDielectricNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoStandardNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoTransparentNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoTransparentFluorescentNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoRubberNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoRubberTranslucentNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoEmissionNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoChromeNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoPearlescentNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoMetalNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoGlitterNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoSpeckleNodeGroup #create
16:39:56.99 [importldraw] createBlenderLegoMilkyWhiteNodeGroup #create
16:39:56.99 [importldraw] Creating Blender objects
16:39:57.00 [importldraw] Number of vertices: 0
16:39:57.00 [importldraw] Number of convex hull vertices: 0
16:39:57.00 [importldraw] Adding 198 objects to scene
16:39:57.01 [importldraw] Load Done
bpy.ops.import_scene.importldraw(filepath="/home/spacepowder/Documents/Bricklink Studio Projects/Exports/island_hopper_modified_export.ldr")

I searched the parts library for the "missing" parts, and I believe they're all there, so I'm not sure what the problem is. It says 'Load Done' at the end, but the result is just a mess of edges.