Hey guys,

I´m following this little tutorial http://doc.silverstripe.org/framework/en/trunk/reference/uploadfield about extending the uploadfield in SS3.
Everything works really nice in front- and backend, but if I want to start the filemanager in the backend, I get this crazy error:
Fatal error: Call to undefined method ProductDetail::setSourceQueryParams() in /Applications/MAMP/htdocs/moebel-luebbering3/framework/model/DataList.php on line 678

class Product extends DataObject
{
...
        static $many_many = array(
		'ProductDetails' => 'Image'
	);
        ....
        
        public function getCMSFields() 
	{
               ...
               $uploadField = new UploadField('ProductDetails','Bilder'); 
		$uploadField->setFileEditFields('getCustomFields');
		$uploadField->setFolderName('Uploads/Products/' . $this->Categories()->First()->Title); 
		$fields->addFieldToTab("Root.Main", $uploadField);
        
		return $fields;         
        }
}

class ProductDetail extends DataExtension
{
    static $db = array (
        'Text1' => 'Text',
       ...
    );
 
    private static $belongs_many_many = array (
        'Product' => 'Product'
    );
 	
 	
 	function getCustomFields() { 
		$fields = new FieldList(); 
		$fields->push(new TextField('Text1')); 
		...
		
		return $fields; 
	}    
}

class ProductDetailExtension extends DataExtension { 
   private static $belongs_many_many = array('Product' => 'Product');
}

_config.php

Image::add_extension('ProductDetailExtension');
Image::add_extension('ProductDetail');

Any idea what´s going on? Did someone follow this tutorial, too?

Hmmm I haven't followed the tutoiral.

But I'm pretty sure you can drop the second dataextension.

Both ProductDetail and ProductDetailExtension and trying to add the same relationship belongs_many_many/Product.

Try removing Image::add_extension('ProductDetailExtension');

Thanks for response. I´ve changed some things in the code:

I´ve changed this:

static $many_many = array( 
      'ProductDetails' => 'Image' 
   );

static $many_many = array( 
      'ProductDetails' => 'ProductImage' 
   );

class ProductImage extends Image {
	private static $extensions = array(
		'ProductDetail'
	);
}

I removed double relationship "belongs_many_many", but the filemanager still doesn´t work right.
If I click now on the folder "Uploads" in the filemanager, the system throw out internal server error.

I´m using an "$uploadField->setFolderName" where the system self creates folders. Maybe there is a problem with the permissions.
I´m checking later the code and permissions.