GR before PGI date

Hi SAP Guru's,

My problem is in STO scenario,Assume PGI at 28/02/2007 in sending plant but in recieving plant they are allready recieve the material at 20/02/2007 (GR before PGI date)

Is there any message type to restrict this type of problems.

Pls any body suggest me.Its urgent.

Thanks,

Raghu