phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '815539b21703ed817a9e6cf80b274254' 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 ('815539b21703ed817a9e6cf80b274254', -1, 1714484241, 1714484241, '03850cac', -4, 0, 0)

Line : 187
File : sessions.php