bug with passthrough

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After successfully configuring Weather Display to connect to Meteobridge I decided that Weather Display is not my cup of tea.
I decided to try cumulus and cumulusmx none which I have been able to make them connect to MB.

They all fail to connect. If I start weather display again it works without an issue.
Is something holding a socket or an ident or something?
Not sure what is going on there.
Looks like a bug to me.

I also have the same issue with meteohub.

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Even worst now.
After many attempts it now does not allow any passthough at all from nether system.

Bug...

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A factory reset helped me with meteohub but meteobridge wont allow any connections except WD.
Just thought I point it out.