I have just enabled this addon for Blender 2.82, when I open a .ply file from the PCV menu I get error: too many values to unpack (expected 3) No vertices loaded from file at ...

The default PLY importer in Blender is quite slow when it comes to importing large mesh files. Blender 3.6 introduced a new C++-based PLY importer, which is marked "experimental", see below for ...