phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './erlendhg_phpb1/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 ('a118590a25fa0f845c7c60398d91a3e3', -1, 1398262837, 1398262837, '6b158874', 15, 0, 0)

Line : 187
File : sessions.php