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 ('4fb07f9a0fb9135d02ab5ba5285e2d85', -1, 1571555029, 1571555029, '23afbfa8', 4, 0, 0)

Line : 218
File : sessions.php