phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './forumcapes/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c852f4428b6c5c5bdb35e1f8d7bec882', -1, 1544801468, 1544801468, '36e31f91', -4, 0, 0)

Line : 187
File : sessions.php