Is it possible to update COGM values to COPA when there is no costing key?

Dear All,

I have removed costing key on April 15 in "KE4J". April Month ending, After billing has been done COGM values are not updated to COPA. How can i post the COGM values to COPA ? Now i maintained costing key i tried to execute ke30 report but not updated to COPA. Please suggest me to resolve this issue.It's urgent to client.

Thanks in Advance,

Suresh