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error after installing

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 lau
(@lau)
Posts: 2
New Member
Topic starter
 

in Rhino 8, the following error messages appear at grasshopper startup:

 

Object: KUKAprc_ToolpathOptimizerComponentV2 (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: KUKAprc_ToolpathOptimizerComponentV2 (level 2)
{
Method not found: 'Boolean System.IEquatable`1.Equals(KUKAToolPath.GraphPaths.IPathSegment)'.
MissingMethodException
}

Object: KUKAprc_ToolpathOptimizerComponent (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: KUKAprc_ToolpathOptimizerComponent (level 2)
{
Method not found: 'Boolean System.IEquatable`1.Equals(KUKAToolPath.IGraphPathSegment)'.
MissingMethodException
}

is this a r8 - related error? most r7-plugins work in r8...

 
Posted : 08/07/2026 8:31 am
 lau
(@lau)
Posts: 2
New Member
Topic starter
 

I have tested in Rhino 7, and there are also 2 errors:

 

Object: KUKAprc_ToolpathOptimizerComponentV2 (level 1)
{
Ein Aufrufziel hat einen Ausnahmefehler verursacht.
TargetInvocationException
}

Object: KUKAprc_ToolpathOptimizerComponentV2 (level 2)
{
Die Datei oder Assembly "KUKAprcGH, Version=1.0.8560.17839, Culture=neutral, PublicKeyToken=null" oder eine Abhängigkeit davon wurde nicht gefunden. Das System kann die angegebene Datei nicht finden.
FileNotFoundException
}

 
Posted : 08/07/2026 8:39 am
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