Cost Element Accounting

hi all

we have error in migo to goods issue

"Create account 600010 for 11.08.2008 as a cost element in controlling area 1000

Message no. KI280

Diagnosis

Account 600010 is a profit and loss account. You assigned it to an object in cost accounting (for example, a cost center, order, or project).

System Response

Account 600010 in the determined controlling area 1000 must exist as a cost element on the posting date 11.08.2008.

Procedure

Create account 600010 as a cost element and then repeat your posting.

Or, delete auxiliary account assignment to objects in cost accounting."

plz suggest me how do i delete auxiliary account assignment to objects in cost acccounting & where i found assignment object in cost accounting to gl account.