runtime errors in admin mode

[nomai]

I get errors when I am in admin mode, in user mode they don't show.
Can someone tell what I must do?

I found this errors with debug mode on:

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

Notice: Undefined index: filename in /home/nomai/public_html/gallery/include/functions.inc.php on line 777

Notice: Undefined index: filesize in /home/nomai/public_html/gallery/include/functions.inc.php on line 778

Notice: Undefined index: dimensions in /home/nomai/public_html/gallery/include/functions.inc.php on line 779

Notice: Undefined index: date_added in /home/nomai/public_html/gallery/include/functions.inc.php on line 780

[Tarique Sani]

Turn the debug mode off and let us know what errors you get

[nomai]

when i turn it off i get runtime errors

4 times
on line 199, 245, 294, 340

[Tarique Sani]

Which page?
What are the details of the errors?

Unles you let us have the details as we want them we cannot help you