phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '31dfda53925b4341fa20df6870b0dbea' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('31dfda53925b4341fa20df6870b0dbea', -1, 1769786263, 1769786263, '0aff0001', 41, 0, 0)

Line : 199
File : sessions.php