Error message

• User warning: The following module has moved within the file system: contextual. In order to fix this, clear caches or put the module back in its original location. For more information, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1181 of /home/exhibit/public_html/includes/bootstrap.inc).
• Deprecated function: Function create_function() is deprecated in eval() (line 1 of /home/exhibit/public_html/modules/php/php.module(80) : eval()'d code).
• Notice: Only variables should be passed by reference in exhibitions_get_footer_content() (line 83 of /home/exhibit/public_html/sites/exhibitions/themes/exhibitions/template.php).