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 ('4bfb6569fdfaa7d9b092e5a1a757c30c', -1, 1586206218, 1586206218, '03e64cc4', 3, 0, 0)

Line : 187
File : sessions.php