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 ('52d9ac7fe1d34c370ad7ec918ba9e5be', -1, 1571477763, 1571477763, '22ecd85d', 4, 0, 0)

Line : 218
File : sessions.php