Operation number not holding in Operation details screen for WM6.2

Hi Experts,

I have added custom statuses to operation object in WM6.2. When I am editing the operation,Operation number is displaying in operation details screen header.But when trying to execute custom statuses, the operation number is not holding in Operation tile view header as in the below screen snap.

Thanks in advance.Kindly suggest.

Thanks & Regards,

Sravanthi Polu