One work process remains as Stop

Hai guys,

In R/3 4.7 server ,one of the Dialog work process is stopped..

From the developer trace, It's telling like

" *** ERROR => HTTP> HttpDeletePtr (fatal error: ptr = NULL) [abhttpio.c 6866] "..

I can't start that particular work process...

it's urgent..reply me...

Thanks & Regards,k

Gopinathan.T