phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd2ff3b6cab46ca87bf2e3710d7536bc4' 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 ('d2ff3b6cab46ca87bf2e3710d7536bc4', -1, 1711723165, 1711723165, 'ac1d0020', -11, 0, 0)

Line : 187
File : sessions.php