出现错误求助

[error] Objects "Box1" and "Circle1" intersect. (2:24:03 下午  五月 29, 2012)
    [error] Objects "Box1" and "Circle1_1" intersect. (2:24:03 下午  五月 29, 2012)
    [error] Non-manifold edges found for part "Circle1" (2:24:03 下午  五月 29, 2012)
    [error] Non-manifold edges found for part "Circle1_1" (2:24:03 下午  五月 29, 2012)
这是个什么错误求助

提示的很清楚了，你画的结构间重叠，一个结构已经伸进另一个中了

哦谢谢了，