help me,please. all of buttons don't work.

**SketchUp version :2017
Skatter version (Skatter dialog > Options > About) : 1.4.1
OS : window
Description of the issue :bugAre you able to reproduce the issue every time?
(If yes, how?) :yes, if i make new file, skatter work in normal operation. only “primese.skp” file don’t work.
i wonder why this problem happen.
Error in Ruby Console? (Window > Ruby Console)primese.skp (2.3 MB)
Error: #<TypeError: no implicit conversion of nil into String>
C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:747:in eval' C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:747:ineval’
C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:747:in block (2 levels) in start_dialog' C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:742:ineach’
C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:742:in block in start_dialog' C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:20:incall’
C:/ProgramData/SketchUp/SketchUp 2017/SketchUp/Plugins/jbb_skatter/rb/dialog.rb:20:in block in add_bridge_callback' SketchUp:1:incall’

I’m not sure what happened here. There was some corrupt data in the file.
I cleaned it up : primese.skp (2.3 MB)

it was good ,your cleaned file.
can i know the method of cleaning?

I used this extension :

If it happens again, please let me know.

i’m sorry. your introduced extension is difficult.
i have handled it for longtimes.
but, i don’t know the method of using.

could you help me, please?

It really is more an extension for developers. You should know about Attributes for using it :

… thank you ㅠ,ㅠ