phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3b9857354166a37a0e0f66d963ee2831' for key 'PRIMARY'

INSERT INTO phpbb_ad_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('3b9857354166a37a0e0f66d963ee2831', -1, 1717032959, 1717032959, '12778af4', -1, 0)

Line : 170
File : sessions.php