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 ('08ad71095126ae8c80e7d5907879f561', -1, 1537306728, 1537306728, '36c68e79', -4, 0, 0)

Line : 187
File : sessions.php