Warning: odbc_exec() [function.odbc-exec]: SQL error: [Microsoft][ODBC SQL Server Driver] Connection is busy with results for another hstmt

<?
			$imp=0;
                        $sqlWARNDESN="dbo.[ShowBigHist1] '$MNUM','$CASZ','$GCODE'";   //stored procedure 
                        $queWARNDESN=odbc_exec($ConnectSQL1,$sqlWARNDESN);
                        while($fetWARNDESN=odbc_fetch_array($queWARNDESN))
                        {
							$CODETIS=$fetWARNDESN['codetis'];
							
                            
                            $sqlSAVEDES="select * from SAVEDES where DESP='$CODETIS' ";
                            $queSAVEDES=odbc_exec($ConnectSQL1,$sqlSAVEDES);
                            while($fetSAVEDES=odbc_fetch_array($queSAVEDES))
                            {
                                $MILE=$fetSAVEDES['MILE'];
                                $DATE=$fetSAVEDES['DATE'];
                            }
                  }
?>