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 ('e78a6b233a51cd0cdd6ad85d23eae22f', -1, 1571289240, 1571289240, '12cce3fa', 4, 0, 0)

Line : 218
File : sessions.php