phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '351955712325321896a593a729a8fbbb' 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 ('351955712325321896a593a729a8fbbb', -1, 1755385772, 1755385772, 'd849d80b', -1, 0, 0)

Line : 187
File : sessions.php