phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './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 ('eca8c702834099c106c3e8253659c033', -1, 1427580769, 1427580769, '365ce8f9', 0, 0, 0)

Line : 189
File : sessions.php