I get the following error message when loading SU 2014 after installing the plugin. Is this another instance of problems related to a non-ASCII user name? Or what else might cause this problem? Grateful for any tips!

Error Loading File C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes/jwm_shapes.rb
Error: cannot load such file -- C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes/parametric.rb
C:/Program Files (x86)/SketchUp/SketchUp 2014/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:45:in require' C:/Program Files (x86)/SketchUp/SketchUp 2014/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:45:in require'
C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes/jwm_shapes.rb:8:in <top (required)>' C:/Program Files (x86)/SketchUp/SketchUp 2014/Tools/extensions.rb:197:in require'
C:/Program Files (x86)/SketchUp/SketchUp 2014/Tools/extensions.rb:197:in load' C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes_loader.rb:24:in register_extension'
C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes_loader.rb:24:in <module:JWMShapes>' C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes_loader.rb:12:in module:JWM'
C:/Users/Torbjörn/AppData/Roaming/SketchUp/SketchUp 2014/SketchUp/Plugins/jwm_shapes_loader.rb:11:in `<top (required)>'