serial no reversal for a material

   Hi SapGuru,

              i have came across a problem in serial no reversal for a material.

   my client has first created a serial no assighned to SFG . after that SFG has been used to backflushing FG material .

After that i have made the reversal of FG at  the time of reversal the serial no for FG has came but for SFG serial no which is consumed is not came back. so please help me how to tackle this situation.

Thanks & Regards

Sandeep Kumar Praharaj