Duplicate articles within same feed

Hi,

Yesterday TT-RSS all of a sudden added duplicate entries from a forum feed. This happened specifically on one domain. I am collecting multiple feeds from that domain and this happened to all of them. The duplication seems to have stopped now but now I have almost 7-8K duplicate entries as there were 70+ feeds from that domain.

How do I delete these duplicate entries and stop it to happen again? I am using postgres DB, is there any plugin to avoid this issue?
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usually this means the underlying software that generates the feed changed somehow and invalidated article GUIDs.

you can’t stop them from doing stuff like that. i suggest marking stuff as read and letting it go.

Can’t I run any command in database to delete the duplicate entries?