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 ('b0a6e9390d45ee38ed5dd3734c5591fd', -1, 1566792857, 1566792857, '23ad30e0', 12, 0, 0)

Line : 189
File : sessions.php