phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '25a76a4ad899b2562a691c6609a0ee03' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('25a76a4ad899b2562a691c6609a0ee03', -1, 1769388506, 1769388506, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php