phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6439e918447bf8784c10bd79069e94ae' 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 ('6439e918447bf8784c10bd79069e94ae', -1, 1715104868, 1715104868, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php