I was getting this error (attached image) when trying to use "SplinepainterUI" Neil was kind enough to respond and help me fix the issue, if anyone runs into a script not working this is what he told me to do to fix it and it worked. Thanks Neil!!!
"So first thing to try, go to your plugin config directory, should be something similar to this if you're using windows 7...
C:Users\USERNAME\AppData\Local\Autodesk\3dsMax\2009 - 64bit\enu\plugcfg\SoulburnScripts\presets
If there's an ObjectPainter.ini file there, delete it, restart max"
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