phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3b3f281918dc1b991fc02859a848df39' for key 'PRIMARY'

INSERT INTO phpbb_forumsessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3b3f281918dc1b991fc02859a848df39', -1, 1766343092, 1766343092, 'd849d8bf', -4, 0, 0)

Line : 187
File : sessions.php