Intersect Error: Invalid Topology and The table was not found

Question

Hi all,

I am having problems with Intersect.

I would like to intersect two polygon feature classes. One of them is a buffer created from line feature class (e.g. stream) and the other one is vegertation cover. However, it always throws me this error. 
[ATTACH=CONFIG]30252[/ATTACH]

I've tried repair geometry and it did fix the problem. And if the buffer polygon was created from polygon feature (e.g. pond), the Intersect worked fine.

How can I solve this problem?

Thank you very much!

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YichiLiu1 · Accepted Answer

OK, I found the solution myself. Just in case anyone wanted to know as well, this is what I did. I exported the feature classes, but disabled M values and Z values. Then I did Repair Geometry and both intersect and clip worked fine after that.