phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nixforums_phpbb/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('21b3b5e0b70627891db7c57d254d49f1', -1, 1441376803, 1441376803, '36910fd5', 63, 0, 0)

Line : 180
File : sessions.php