Exceptional error in standard program..........?

Hi ,

I have a ticket which has an issue in Transaction CL03. Which

gets a dump when tried to expand the tree structure.

The error says " An incorrect exception" and this is in standard report.

Can any one tell me what to do with this error and how to resolve it. if its from standard report.

Pls get back to me if you want more info.

Regards,

Rajesh.