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 ('f2ae4752ec699042e495651430d0d40f', -1, 1737636408, 1737636408, '12bc6a2f', -9, 0, 0)

Line : 187
File : sessions.php