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 ('d19f7d6194c75c5df2ea6f6991b2f65e', -1, 1529617686, 1529617686, '36e0ebb7', 8, 0, 0)

Line : 219
File : sessions.php