Fatal error

[nukeworker]

Warning: main(themes/default/theme.php): failed to open stream: No such file or directory in /homepages/17/d96074409/htdocs/pictures2/include/init.inc.php on line 333

Fatal error: main(): Failed opening required 'themes/default/theme.php' (include_path='.:/usr/local/lib/php') in /homepages/17/d96074409/htdocs/pictures2/include/init.inc.php on line 333

Line 333 reads:

require "themes/{$CONFIG['theme']}/theme.php";

hmmm.

[Joachim Müller]

seems like you haven't fully upgraded your install: the "default" theme's name has been changed to "classic" in cpg1.3.0.
Browse to http://yourdomain.tld/your_coppermine_folder/index.php?theme=classic , go to config and change your default theme to "classic" there.

GauGau