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 ('d87fbe6e9b9c34751760861ab7b26a3b', -1, 1573602739, 1573602739, '03e9d9f2', 0, 0, 0)

Line : 172
File : sessions.php