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 ('e8c49cb95a7e4f5b7a5f70bb05a68ca0', -1, 1579796327, 1579796327, '12cff023', -4, 0, 0)

Line : 172
File : sessions.php