phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd7f4f6f498481508e1cc1764ccab5169' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d7f4f6f498481508e1cc1764ccab5169', -1, 1711621005, 1711621005, '3437d6ec', 5, 0, 0)

Line : 187
File : sessions.php