phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81504c1ac5f31f894429c3e82f768cc7' 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 ('81504c1ac5f31f894429c3e82f768cc7', -1, 1715102323, 1715102323, '12dc8c05', 0, 0, 0)

Line : 187
File : sessions.php