phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a6fccfc168e9b9ecea0977fdf4e016ec' 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 ('a6fccfc168e9b9ecea0977fdf4e016ec', -1, 1715831266, 1715831266, '00000000', 0, 0, 0)

Line : 187
File : sessions.php