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 ('7ebd0a198919f7defde97a1e85f30bfe', -1, 1519460052, 1519460052, '36a73eaa', 0, 0, 0)

Line : 211
File : sessions.php