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 ('f4339780f09bdfd49661b3f2f33e66e4', -1, 1527429067, 1527429067, '365061dd', -4, 0, 0)

Line : 187
File : sessions.php