phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4b9f8cfa8229367d7858ba918311b6ec' 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 ('4b9f8cfa8229367d7858ba918311b6ec', -1, 1715893459, 1715893459, '12741434', -4, 0, 0)

Line : 187
File : sessions.php