phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4bcf90c1f2ac8db84ce77d4176f0eb0' 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 ('b4bcf90c1f2ac8db84ce77d4176f0eb0', -1, 1760509190, 1760509190, 'd849d800', 42, 0, 0)

Line : 187
File : sessions.php