phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '855d609038e11cf37716d621190ee1a9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('855d609038e11cf37716d621190ee1a9', -1, 1714763563, 1714763563, '030ca1a1', -4, 0, 0)

Line : 187
File : sessions.php