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 ('2b0f392692ff97b58a79b5b2b40a1797', -1, 1550943443, 1550943443, '22e5c2c6', -4, 0, 0)

Line : 187
File : sessions.php