sem_get error

Warning: sem_get(): failed for key 0x10c5: No space left on device in /var/www/html/blog/wp-content/themes/lumiukko/yk_search_kurashicom.php on line 20

Warning: sem_acquire() expects parameter 1 to be resource, boolean given in /var/www/html/blog/wp-content/themes/lumiukko/yk_search_kurashicom.php on line 21

Warning: sem_release() expects parameter 1 to be resource, boolean given in /var/www/html/blog/wp-content/themes/lumiukko/yk_search_kurashicom.php on line 49