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 ('717694a1a12104ff1a83aea06fa8cfee', -1, 1717084658, 1717084658, '12bf5ef9', 0, 0, 0)

Line : 187
File : sessions.php