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 ('dad395757e64c07104ee05c3a61752cc', -1, 1566753987, 1566753987, '23afc804', 13, 0, 0)

Line : 187
File : sessions.php