Error "Index was out of range. Must be non-negative and less than the size of the collection" in SharePoint 2010 Crawl log

Hi,

I have SharePoint 2010 Environment.
In my Search Service Application, When i click Url tab in Crawl Log Section it through an below error.
"Index was out of range. Must be non-negative and less than the size of the collection" with the co-relation ID.
Have tried changing the Meta data Properties ,resetting Index, Full Crawled the content source but it didn't help.

Any Suggestions...