phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd9c7f8b989c6a8d865b7a181848438c3' 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 ('d9c7f8b989c6a8d865b7a181848438c3', -1, 1715650143, 1715650143, '0390ca85', 0, 0, 0)

Line : 187
File : sessions.php