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 ('db1460986fdc52c81da7d8c00df38b19', -1, 1490827989, 1490827989, '36c596ff', 13, 0, 0)

Line : 189
File : sessions.php