phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('02d1ace8d3972daf1e15e50e4310bca4', -1, 1717218408, 1717218408, '12761b63', -9, 0, 0)

Line : 187
File : sessions.php