Warning: Constant ABSPATH already defined in /usr/www/users/kranscttgm/wp-config.php on line 30

Fatal error: Uncaught Error: Call to undefined function create_function() in /usr/www/users/kranscttgm/wp-content/themes/cleanapp/cleanapp/functions/widget-recentposts.php:151
Stack trace:
#0 /usr/www/users/kranscttgm/wp-content/themes/cleanapp/cleanapp/functions.php(259): include()
#1 /usr/www/users/kranscttgm/wp-settings.php(566): include('/usr/www/users/...')
#2 /usr/www/users/kranscttgm/wp-config.php(31): require_once('/usr/www/users/...')
#3 /usr/www/users/kranscttgm/wp-load.php(50): require_once('/usr/www/users/...')
#4 /usr/www/users/kranscttgm/wp-blog-header.php(13): require_once('/usr/www/users/...')
#5 /usr/www/users/kranscttgm/index.php(17): require('/usr/www/users/...')
#6 {main}
  thrown in /usr/www/users/kranscttgm/wp-content/themes/cleanapp/cleanapp/functions/widget-recentposts.php on line 151