Cause of "This tool path appears to be damaged"

[MitchB]

In madCAM 6, I'm generating tool paths. When I try to simulate them, I get a dialog saying "This tool path appears to be damaged". Any help?

Similar Threads:

• How to stop "Generating Tool Path" pita
• New Machine Build- How can do ""manual stepper motor sizing for "rack and pinion"calculation""???
• Need Help!- "Chaining" surfaces together to create continuous tool path.
• Can somebody explain the "Lead" section on the Tool Path Menus?
• Problem- X Axis "Goes Off Pattern", "Awry", "Skewed", "Travels"