Hi Vasant,
Check if the stored procedure is created as per the standard structure.
http://help.sap.com/saphelp_nw04/helpdata/en/2e/96fd3f2d14e869e10000000a155106/content.htm
Check if the values created in PI are compatible with Ms Sql table cols.
You should be passing varchar to a Integer field. check it with sql team.
Regards,
Pranav