phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '921c7847fb012f19644f606cd8bf91dd' 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 ('921c7847fb012f19644f606cd8bf91dd', -1, 1715787430, 1715787430, '03931cca', -4, 0, 0)

Line : 187
File : sessions.php