phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d61c731b6e87b6b54b8f200f44e6ed3d', -1, 1737485577, 1737485577, '0390641f', -9, 0, 0)

Line : 187
File : sessions.php