phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './assoc_phpbbv2/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 ('efc266775add8f49c5e7a17a47fafc78', -1, 1397828770, 1397828770, '6ca2d26f', 47, 0, 0)

Line : 187
File : sessions.php