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 ('bd60aa7ad0c6e77ea5f59dd7c6845789', -1, 1566256185, 1566256185, '03511c5e', 35, 0, 0)

Line : 187
File : sessions.php