phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '855cf025aa30c60d2f574e3c9b0db3cb' 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 ('855cf025aa30c60d2f574e3c9b0db3cb', -1, 1715851679, 1715851679, '1277789f', -4, 0, 0)

Line : 187
File : sessions.php