For those of you that might wonder, I have just reconnected to a few of you where that I was earlier connected to from my other (and possibly dying) site I had several channels there but use one here. I also had slight different channel names. On the other hand, in practice I was the only user there.

Hopefully you will find it pleasant to stay connected ;)

Both are working for me now. That extra "4000" line isn't in the source now. This is/was with FireFox 59.0.2 on Windows 7.
Strange. Let's keep an eye on it. If this was a one time occurrence it will be virtually impossible to understand what went wrong and what need to be repaired.