phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a766c3bf971a596db3990227187b48e8' 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 ('a766c3bf971a596db3990227187b48e8', -1, 1715864948, 1715864948, '030c2957', 6, 0, 0)

Line : 187
File : sessions.php