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 ('40f2692d3563deb1fc975790b6d98c8c', -1, 1573548321, 1573548321, '23ab2d5b', 56, 0, 0)

Line : 218
File : sessions.php