phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './u7101688_5602/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 ('2ba612a8fffb7c38df8723f41e31c5ee', -1, 1550748294, 1550748294, '22e2d0b9', 0, 0, 0)

Line : 187
File : sessions.php