phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './compheaven/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 ('7d98e295b3d2f24bd32368e6fac9afbb', -1, 1542310079, 1542310079, '36a7702a', -4, 0, 0)

Line : 187
File : sessions.php