phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3c78e47a0589d18cb35f8898a4e133a6' 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 ('3c78e47a0589d18cb35f8898a4e133a6', -1, 1715440147, 1715440147, '12778809', -1, 0, 0)

Line : 187
File : sessions.php