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 ('6963a713c7dc3714c3c9ff65665a6a93', -1, 1571112284, 1571112284, '03d15057', 17, 0, 0)

Line : 187
File : sessions.php