Are we able to mine again?

Please try again now. It is working for me. We will make some more adjustments to the pool difficulty in the next few hours.

for me always like this stratum connection interrupted

As long as you are still getting accepted shares, the 'stratum connection interrupted' message is not a problem.

Hi, I am getting "Stratum connection interrupted" errors on ccminer with Nvidia GPUs. Any help?

Lowering the difficulty now, please restart your miner now.

done and redone but it changes nothing and it is with ccminer or "cpuminer it's the same

Which GPU are you using?