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 ('d3c7cedfd3fb7fee04714d64a71789d1', -1, 1397817393, 1397817393, '6ca2d4f2', 26, 0, 0)

Line : 187
File : sessions.php