PHP + Oracle Err ORA-01722: invalid number in โค้ด SQL Join Table

<?
	$idbrand_view = $_REQUEST[idbrand_view];
	$count_tb = 0;
	$strSQL = "SELECT MK_DET_F.*,BRANDF$.* FROM MK_DET_F,BRANDF$ WHERE MK_DET_F.BRANDCODE = BRANDF$.BRANDCODE AND MK_DET_F.PROCODE = $idbrand_view";
	$objParse = oci_parse($objConnect,$strSQL);
	oci_execute ($objParse,OCI_DEFAULT);
	echo '<tr>';
	while($objResult = oci_fetch_array($objParse,OCI_BOTH)) {
	
	$PROCODE=$objResult[PROCODE];	 
	$BRANDCODE=$objResult[BRANDCODE];
	$BRANDNAME=$objResult[BRANDNAME];
    $PICTURE=$objResult[PICTURE]; 
			if($count_tb == 5){
            echo '</tr><tr>';
			echo " <td> <center><img src='PIC_SQ/$PICTURE' width='112' height='120'></center><br>";	
	echo " $DDATE &nbsp;<a href='view_brand.php?idbrand_view=$PROCODE'>$BRANDNAME</A></td>";
			$count_tb = 0;
            }else{
			echo " <td> <center><img src='PIC_SQ/$PICTURE' width='112' height='120'></center><br>";	
	echo " $DDATE &nbsp;<a href='view_brand.php?idbrand_view=$PROCODE'>$BRANDNAME</A></td>";	
			}
	 $count_tb++;
	
	}
	echo '</tr>';
?>