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 ('782e503d1e59b9eede9e88cbb67d7b7e', -1, 1716955814, 1716955814, '12da9338', 0, 0, 0)

Line : 187
File : sessions.php