phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9e15d44d7685d75aac81e4d98b4ccf51' 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 ('9e15d44d7685d75aac81e4d98b4ccf51', -1, 1715299101, 1715299101, '340f3f91', 4, 0, 0)

Line : 187
File : sessions.php