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 ('cb7da6da82cfe1b90745bf05121ed9ed', -1, 1571477077, 1571477077, '22ecd85d', 4, 0, 0)

Line : 218
File : sessions.php