phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './oube/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 ('7ac4765f6e077c047d4023f09217aecf', -1, 1493080955, 1493080955, '36c68fdf', 0, 0, 0)

Line : 187
File : sessions.php