phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './oasisadv_wrdp1/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 ('50062696cfe81b2a78a378ed863b4ea0', -1, 1422609946, 1422609946, '3693fa21', -9, 0, 0)

Line : 189
File : sessions.php