404. That’s an error.
The requested URL /add?source=atgs&feedurl=https://rongbay.com/rss/Lao-Cai/c264_Lao-dong-tri-oc.rss was not found on this server. That’s all we know.
/add?source=atgs&feedurl=https://rongbay.com/rss/Lao-Cai/c264_Lao-dong-tri-oc.rss