problem

<?php

require_once('/home/protfqip/wawi/Util/Util.php');

    /**
    * Author: Aleksandar Arsic
    * Description: Insert CSV data into Database
    * Creation Date: 2017/09/30 (yyyy/mm/dd)
    */

        $counter = 0;
        $updateCounter = 0;
        $servername = "localhost";
        $username = "protfqip_esales";
        $password = "protfqip_dek39";
        $dbname = "protfqip_wawi";

        $arr = [];
        $values = [];


        $table_name = "WAWILieferant_DGH1";
        $csvfile = "DGH-20792888.CSV";
$row = 1;
if (($handle = fopen("$csvfile", "r")) !== FALSE) {
    while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
    $i = 0;
        $num = count($data);
        $row++;
        for ($c=0; $c < $num; $c++) {
          array_push($arr, $data[$c]);;
        }
    }
    fclose($handle);
}


        $conn = new mysqli($servername, $username, $password, $dbname);

        if ($conn->connect_error) {
             die("Connection failed: " . $conn->connect_error);
        }

    for($i = 1;$i< count($arr); $i++) {
    $values = explode(";", $arr[$i]);
    for($j = 0; $j < count($values);$j++) {
        if($values[$j] == '') {$values[$j] = "";}
    }


     $sql = "INSERT INTO `$table_name` (`artikelnr`,`artikelgruppe`, `artikelgruppenbez`,`artikelbez`,`lieferanten_name`,`lieferanten_artikelnummer`,`ean_nummer_one`,`ean_nummer_two`,`ean_nummer_three`,`ean_nummer_four`,`ean_nummer_five`,`ean_nummer_six`,`netto_ek`,`unverbindl_vkp`,`vorgeschlagener_vkp`,`verfugbarkeit_tendenz`,`verfugbarkeit_step`,`neue_preise_markieren`,`preisanderungen_kennzeichen`,`auslistungen_kennzeichen`,`streetpreis`,`grundpreis`,`partner_programm`,`gewicht_in_kg`,`lange_in_mm`,`breite_in_mm`,`hohe_in_mm`,`spedition`,`no_reporting`,`no_reporting_sony`)
    VALUES ('$values[0]','$values[1]','$values[2]','$values[3]','$values[4]','$values[5]','$values[6]','$values[7]','$values[8]','$values[9]','$values[10]','$values[11]','$values[12]','$values[13]','$values[14]','$values[15]','$values[16]','$values[17]','$values[18]','$values[19]','$values[20]','$values[21]','$values[22]','$values[23]','$values[24]','$values[25]','$values[26]','$values[27]','$values[28]','$values[29]')
     ON DUPLICATE KEY UPDATE `artikelgruppe` = '".$conn->real_escape_string(trim($values[1]))."', `artikelgruppenbez` = '".$conn->real_escape_string(trim($values[2]))."', `artikelbez` = '".$conn->real_escape_string(trim($values[3]))."', `lieferanten_name` = '".$conn->real_escape_string(trim($values[4]))."', `lieferanten_artikelnummer` = '".$conn->real_escape_string(trim($values[5]))."', `ean_nummer_one` = '".$conn->real_escape_string(trim($values[6]))."', `ean_nummer_two` = '".$conn->real_escape_string(trim($values[7]))."', `ean_nummer_three` = '".$conn->real_escape_string(trim($values[8]))."', `ean_nummer_four` = '".$conn->real_escape_string(trim($values[9]))."', `ean_nummer_five` = '".$conn->real_escape_string(trim($values[10]))."', `ean_nummer_six` = '".$conn->real_escape_string(trim($values[11]))."', `netto_ek` = '".$conn->real_escape_string(trim($values[12]))."', `unverbindl_vkp` = '".$conn->real_escape_string(trim($values[13]))."', `vorgeschlagener_vkp` = '".$conn->real_escape_string(trim($values[14]))."', `verfugbarkeit_tendenz` = '".$conn->real_escape_string(trim($values[15]))."', `verfugbarkeit_step` = '".$conn->real_escape_string(trim($values[16]))."',`neue_preise_markieren` = '".$conn->real_escape_string(trim($values[17]))."', `preisanderungen_kennzeichen` = '".$conn->real_escape_string(trim($values[18]))."', `auslistungen_kennzeichen` = '".$conn->real_escape_string(trim($values[19]))."', `streetpreis` = '".$conn->real_escape_string(trim($values[20]))."', `grundpreis` = '".$conn->real_escape_string(trim($values[21]))."', `partner_programm` = '".$conn->real_escape_string(trim($values[22]))."', `gewicht_in_kg` = '".$conn->real_escape_string(trim($values[23]))."', `lange_in_mm` = '".$conn->real_escape_string(trim($values[24]))."', `breite_in_mm` = '".$conn->real_escape_string(trim($values[25]))."', `hohe_in_mm` = '".$conn->real_escape_string(trim($values[26]))."', `spedition` = '".$conn->real_escape_string(trim($values[27]))."', `no_reporting` = '".$conn->real_escape_string(trim($values[28]))."', `no_reporting_sony` = '".$conn->real_escape_string(trim($values[29]))."'";

   if($conn->query($sql) == TRUE) {
    $counter++;
   } else {
     echo "Error: " . $sql . "<br>" . $conn->error;
   }

    }


    echo  $counter . " new implemented and " . $updateCounter . " updated.";
    $counter = 0;
    $updateCounter = 0;





?>