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By the way since there is no official discussion channel… we had to introduce a temporary hard fork to lower the number of nodes. You can see it on GitHub. Because you or some other nodes were constantly missing blocks making it hard to reach a consensus (this is mostly due to the low peers count). After syncing back so in few days we will again increase the number of witnesses.
Thanks for your understanding.

Oh, sorry, I only saw your comment by chance, as it wasn't addressed to me. Yes, something went wrong; my node stopped producing blocks, as I wrote in my comment above 21 days ago. I didn't know what else to do, so I switched off the nodes.