Warning: require_once(/home/xxx/domains/xxx/public_html/templates/base/scripts/BxBaseTagsView.php) [function.require-once]: failed to open stream: No such file or directory in /home/xxx/domains/xxx/public_html/templates/tmpl_uni/scripts/BxTemplTagsView.php on line 3

Fatal error: require_once() [function.require]: Failed opening required '/home/bifriendeu/domains/bifriends.eu/public_html/templates/base/scripts/BxBaseTagsView.php' (include_path='.:/usr/local/lib/php') in /home/bifriendeu/domains/bifriends.eu/public_html/templates/tmpl_uni/scripts/BxTemplTagsView.php see more on line 3

looking for:
class BxBaseTagsView {
}
in file: /home/xxx/domains/xxx/public_html/templates/base/scripts/BxBaseTagsView.php

which is not present.