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 ('3b77254995739b36d8d1b11d0c97d7c4', -1, 1566702952, 1566702952, '03511c5e', 69, 0, 0)

Line : 187
File : sessions.php