param not found

Array
(
    [type] => uc_listing
    [title] => Source
    [name] => source
    [description] => 
    [enable_condition] => 
    [condition_attribute] => 
    [condition_operator] => equal
    [condition_value] => Array
        (
        )

    [condition_attribute2] => 
    [condition_operator2] => equal
    [condition_value2] => 
    [label_block] => 
    [tabname] => 
    [use_for] => items
    [gallery_enable_video] => 
    [enable_pagination] => 1
    [enable_ajax] => 1
    [multisource_included_attributes] => icon,content,override_background_color,override_heading_background,override_content_background
    [multisource_attributes_defaults] => 
    [remote_type] => parent
    [controller_more_parents] => 
)