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 ('1459e4a4732b6f0c2fa2f93db8a17814', -1, 1772264474, 1772264474, 'd849d82e', -9, 0, 0)

Line : 189
File : sessions.php