phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nico_dblaciru/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 ('7527840eb5f1d36e1899064b9bd59e6e', -1, 1422647902, 1422647902, '36a34343', 5, 0, 0)

Line : 187
File : sessions.php