URGENT: Transaction / Screen Variants

Hi,

I faced new problem....

When i m going inside the CO01 t.code...click on Component Overview (F6)...

It display the Error:-----

Error in variant: Screen SAPLCOMK 0120 was processed more than 100 times

Message no. MS419...

Wat is this......now i am unable to go inside Component Overview, after clicking on this problem it comes on initial screen....

Plz Help Me, Its very URGENT ....

Prince