Who can Helpme with this error I got stucked with:

Success 4 statements processed.
Error ERROR: Cannot insert configuration_key "" because it already exists
Warning Note: 1 statements ignored. See "upgrade_exceptions" table for additional details.

I have also image handler 2 installed

Zencart version 1.3.8a

Thanx for any help

Andre

P.S> This is the query result maybe its usefull too:

Query Results:
INSERT INTO configuration_group VALUES (NULL, 'Zen Lightbox', 'Configure Zen Lightbox settings', '0', '1');
UPDATE configuration_group SET sort_order = LAST_INSERT_ID() WHERE configuration_group_id = LAST_INSERT_ID();
SELECT @cgi := configuration_group_id FROM configuration_group WHERE configuration_group_title = 'Zen Lightbox';
INSERT INTO configuration (configuration_id, configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, last_modified, date_added, use_function, set_function) VALUES (NULL, 'Zen Lightbox', 'ZEN_LIGHTBOX_STATUS', 'true', '
If true, all product images on the following pages will be displayed within a lightbox:

- document_general_info
- document_product_info
- page (EZ-Pages)
- product_free_shipping_info
- product_info
- product_music_info
- product_reviews
- product_reviews_info
- product_reviews_write

Default: true', @cgi, 100, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''), '), (NULL, 'Overlay Opacity', 'ZEN_LIGHTBOX_OVERLAY_OPACITY', '0.8', '
Controls the transparency of the overlay.

Default: 0.8', @cgi, 101, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''0'', ''0.1'', ''0.2'', ''0.3'', ''0.4'', ''0.5'', ''0.6'', ''0.7'', ''0.8'', ''0.9'', ''1''), '), (NULL, 'Overlay Fade Duration', 'ZEN_LIGHTBOX_OVERLAY_FADE_DURATION', '400', '
Controls the fade duration of the overlay.

Note: This value is measured in milliseconds.

Default: 400
', @cgi, 102, NOW(), NOW(), NULL, NULL), (NULL, 'Resize Duration', 'ZEN_LIGHTBOX_RESIZE_DURATION', '400', '
Controls the speed of the image resizing.

Note: This value is measured in milliseconds.

Default: 400
', @cgi, 103, NOW(), NOW(), NULL, NULL), (NULL, 'Resize Transition', 'ZEN_LIGHTBOX_RESIZE_TRANSITION', 'false', '
Allows for custom control over the transition effect used to animate the lightbox.

Default: false
', @cgi, 104, NOW(), NOW(), NULL, NULL), (NULL, 'Initial Width', 'ZEN_LIGHTBOX_INITIAL_WIDTH', '250', '
If Enable Resize Animations is set to true, the lightbox will resize its width from this value to the current image width, when first displayed.

Note: This value is measured in pixels.

Default: 250
', @cgi, 105, NOW(), NOW(), NULL, NULL), (NULL, 'Initial Height', 'ZEN_LIGHTBOX_INITIAL_HEIGHT', '250', '
If Enable Resize Animations is set to true, the lightbox will resize its height from this value to the current image height, when first displayed.

Note: This value is measured in pixels.

Default: 250
', @cgi, 106, NOW(), NOW(), NULL, NULL), (NULL, 'Image Fade Duration', 'ZEN_LIGHTBOX_IMAGE_FADE_DURATION', '400', '
Controls the fade duration of images.

Note: This value is measured in milliseconds.

Default: 400
', @cgi, 107, NOW(), NOW(), NULL, NULL), (NULL, 'Caption Animation Duration', 'ZEN_LIGHTBOX_CAPTION_ANIMATION_DURATION', '400', '
Controls the animation duration of the caption.

Note: This value is measured in milliseconds.

Default: 400
', @cgi, 108, NOW(), NOW(), NULL, NULL), (NULL, 'Display Image Counter', 'ZEN_LIGHTBOX_COUNTER', 'true', '
If true, the image counter will be displayed (below the caption of each image) within the lightbox.

Default: true', @cgi, 109, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''),'), (NULL, 'Close on Image Click', 'ZEN_LIGHTBOX_CLOSE_IMAGE', 'false', '
If true, the lightbox will close when the image being displaying is clicked.

Default: false', @cgi, 110, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''), '), (NULL, 'Close on Overlay Click', 'ZEN_LIGHTBOX_CLOSE_OVERLAY', 'false', '
If true, the lightbox will close when the overlay is clicked.

Default: false', @cgi, 111, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''), '), (NULL, 'Keyboard Navigation', 'ZEN_LIGHTBOX_KEYBOARD_NAVIGATION', 'true', '
If true, keyboard inputs will also be used to control the lightbox.

Default: true', @cgi, 200, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''), '), (NULL, 'Close Lightbox', 'ZEN_LIGHTBOX_ESCAPE_KEYS', '27,88,67', '
The lightbox will close when any of these keys are pressed.

Note: Only ASCII decimal values should be entered and separated with a comma (if listing multiple values).

Default: 27,88,67
', @cgi, 201, NOW(), NOW(), NULL, NULL), (NULL, 'Previous Image', 'ZEN_LIGHTBOX_PREVIOUS_KEYS', '37,80', '
The lightbox will display the previous image (if available) when any of these keys are pressed.

Note: Only ASCII decimal values should be entered and separated with a comma (if listing multiple values).

Default: 37,80
', @cgi, 202, NOW(), NOW(), NULL, NULL), (NULL, 'Next Image', 'ZEN_LIGHTBOX_NEXT_KEYS', '39,78', '
The lightbox will display the next image (if available) when any of these keys are pressed.

Note: Only ASCII decimal values should be entered and separated with a comma (if listing multiple values).

Default: 39,78
', @cgi, 203, NOW(), NOW(), NULL, NULL), (NULL, 'Gallery Mode', 'ZEN_LIGHTBOX_GALLERY_MODE', 'true', '
If true, the lightbox will allow additional images to quickly be displayed using previous and next buttons.

Default: true', @cgi, 300, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''),'), (NULL, 'Include Main Image in Gallery', 'ZEN_LIGHTBOX_GALLERY_MAIN_IMAGE', 'true', '
If true, the main product image will be included in the lightbox gallery.

Default: true', @cgi, 301, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''),'), (NULL, 'EZ-Pages Support', 'ZEN_LIGHTBOX_EZPAGES', 'true', '
If true, the lightbox effect will be used for linked images on all EZ-Pages.

Default: true', @cgi, 400, NOW(), NOW(), NULL, 'zen_cfg_select_option(array(''true'', ''false''),'), (NULL, 'File Types', 'ZEN_LIGHTBOX_FILE_TYPES', 'jpg,png,gif', '
On EZ-Pages, the lightbox effect will be applied to all images with one of the following file types.

Default: jpg,png,gif
', @cgi, 401, NOW(), NOW(), NULL, NULL);