phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb_1/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) VALUES ('db15a1fa0c35a0a8d0ba8621ec644ce7', -1, 1410996936, 1410996936, '36a1afe7', 0, 0)

Line : 158
File : /forum/includes/sessions.php