phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './owzzone_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, session_admin) VALUES ('c3e8e8fc8cdae9a926f32791856447cb', -1, 1487947750, 1487947750, '36cd24a5', 0, 0, 0)

Line : 187
File : sessions.php