Fingerprinting error : type bigint cannot be null

Sometimes in database sync , I get the error as (something like)
Error in fingerprinting, type bigint cannot be null

I have connected Postgres data source to metabase

Please help , is this something to worry about or it is fine ?

Thanks in advance!

You don’t need to worry. If you can’t see data or there’s something weird with it, then worry at that point

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Okay. Thanks!