phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd39a78d09a756ad57d6d9fa4a65779bd' 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 ('d39a78d09a756ad57d6d9fa4a65779bd', -1, 1715756787, 1715756787, '03814580', 0, 0, 0)

Line : 187
File : sessions.php