phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b960a4caa3250fe83ea5cb1ca8575c18' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b960a4caa3250fe83ea5cb1ca8575c18', -1, 1715760779, 1715760779, '12e0fb88', 21, 0, 0)

Line : 187
File : sessions.php