phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('20b3674e776c6abd1f4eff0786f9f9d3', -1, 1574170322, 1574170322, '23af78ae', 35, 0, 0)

Line : 187
File : sessions.php