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 ('2f3e061a661d8b448ce74f77a0aff49d', -1, 1527328221, 1527328221, '36c45659', -11, 0, 0)

Line : 187
File : sessions.php