It's a problem with how follows are described in the protocol.
Amyway, you can find your lost follows here
https://nostraco.in/#member?qaddress=-2571401228143008020
FreeTrade
npub166…ne05s
2023-11-05 07:27:41 UTC
in reply to nevent1q…6g4f
Author Public Key
npub166t8ztecr47xy99pft39wty0z7p2nrtq03pxz5ek3dvylwcwpajs3ne05sSeen on
wss://nos.lol