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 ('3ec824ee0ff12bab661b73d0ff87fe20', -1, 1573858389, 1573858389, '03e9d9f2', 4, 0, 0)

Line : 218
File : sessions.php