got this warning realy need some help

[nihanshe]

My kindest regards in advance

 

I have being try to install zipship mod which i think i have done and I want to install counties zones in the UK which I am working on but i have this error had a look at line 61 and 62 but it dont mean anything to me as php just go's over my head' or is there a setting within the admin panel that I have to do I realy need your help guys here is the information i have.

 

 

Warning: Division by zero in /home/turnedwooduk/public_html/catalog/includes/classes/shipping.php on line 61

 

Warning: Division by zero in /home/turnedwooduk/public_html/catalog/includes/classes/shipping.php on line 62

 

here is the link page with the error

 

http://www.turnedwood.co.uk/catalog/checko...2def4e2e080aa9d

 

44 function quote($method = '', $module = '') {

global $total_weight, $shipping_weight, $shipping_quoted, $shipping_num_boxes;

 

$quotes_array = array();

 

if (is_array($this->modules)) {

$shipping_quoted = '';

$shipping_num_boxes = 1;

$shipping_weight = $total_weight;

 

if (SHIPPING_BOX_WEIGHT >= $shipping_weight*SHIPPING_BOX_PADDING/100) {

$shipping_weight = $shipping_weight+SHIPPING_BOX_WEIGHT;

} else {

$shipping_weight = $shipping_weight + ($shipping_weight*SHIPPING_BOX_PADDING/100);

}

 

60 if ($shipping_weight > SHIPPING_MAX_WEIGHT) { // Split into many boxes

61 $shipping_num_boxes = ceil($shipping_weight/SHIPPING_MAX_WEIGHT);

62 $shipping_weight = $shipping_weight/$shipping_num_boxes;

}

 

$include_quotes = array();

 

reset($this->modules);

while (list(, $value) = each($this->modules)) {

$class = substr($value, 0, strrpos($value, '.'));

if (tep_not_null($module)) {

if ( ($module == $class) && ($GLOBALS[$class]->enabled) ) {

$include_quotes[] = $class;

}

} elseif ($GLOBALS[$class]->enabled) {

$include_quotes[] = $class;

}

}

 

$size = sizeof($include_quotes);

for ($i=0; $i<$size; $i++) {

$quotes = $GLOBALS[$include_quotes[$i]]->quote($method);

if (is_array($quotes)) $quotes_array[] = $quotes;

}

84 }

 

Mervyn