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 ('84d0f1c672226e86e3b03f76b98d580b', -1, 1717114469, 1717114469, '12da72f4', 1, 0, 0)

Line : 187
File : sessions.php