phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('daac1b8e3e9e7a0e0fb766b1f2194a24', -1, 1508567422, 1508567422, '369ed45d', 0, 0, 0)

Line : 189
File : sessions.php