phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '02a12cd0bcf634f6d86b013413023bf0' 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 ('02a12cd0bcf634f6d86b013413023bf0', -1, 1715782017, 1715782017, '1277acf3', -4, 0, 0)

Line : 187
File : sessions.php