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 ('16a15ee8ec62e23a4b84e1e6957bc0e5', -1, 1573839946, 1573839946, '64192bbc', 15, 0, 0)

Line : 189
File : sessions.php