phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '779255738683aaef5f97209ad9fee210' 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 ('779255738683aaef5f97209ad9fee210', -1, 1716319746, 1716319746, '12bc5a94', -2, 0, 0)

Line : 187
File : sessions.php