phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'da63acbc0aaac727808c192db7a54819' 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 ('da63acbc0aaac727808c192db7a54819', -1, 1771566837, 1771566837, 'd849d890', 2, 0, 0)

Line : 187
File : sessions.php