Error Loading File Fredo6_!LibFredo6.rb
Error: #<ArgumentError: invalid byte sequence in UTF-8>
c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:806:in match' c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:806:in block (2 levels) in load_from_config'
c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:805:in each' c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:805:in block in load_from_config'
c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:803:in foreach' c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:803:in load_from_config'
c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:1218:in block in load_all_plugins' c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:1218:in each'
c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6core.rbe:1218:in load_all_plugins' c:/users/dan/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/top_libfredo6.rbe:252:in startup'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:63:in process' C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:70:in module:LibFredo6_Loader'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:28:in <top (required)>' Error Loading File Fredo6_FredoScale.rb Error: #<TypeError: can't convert nil into an exact number> C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in -'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in <top (required)>' C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require'
C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require' C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_FredoScale.rb:47:in module:Fredo6'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_FredoScale.rb:26:in <top (required)>' Error Loading File Fredo6_FredoTools.rb Error: #<TypeError: can't convert nil into an exact number> C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in -'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in <top (required)>' C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require'
C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require' C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_FredoTools.rb:47:in module:Fredo6'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_FredoTools.rb:26:in <top (required)>' Error Loading File Fredo6_JointPushPull.rb Error: #<TypeError: can't convert nil into an exact number> C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in -'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_!LibFredo6.rb:79:in <top (required)>' C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require'
C:/Program Files/SketchUp/SketchUp 2018/Tools/RubyStdLib/rubygems/core_ext/kernel_require.rb:54:in require' C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_JointPushPull.rb:47:in module:Fredo6'
C:/Users/dan/AppData/Roaming/SketchUp/SketchUp 2018/SketchUp/Plugins/Fredo6_JointPushPull.rb:26:in `<top (required)>'
Can anyone help me understand what this error means?