Dear Haresh
HADDOCK distributes the compute jobs to a grid of servers around Europe and beyond.
It appears like a server has been misbehaving recently, which in turn caused HADDOCK to fail.
We are still investigating the issue but have banned some sites to avoid that our jobs are running on those. Hopefully this will solve the problem for the time being.
If you look at the bottom of the output of HADDOCK returned on a failed run page (link to haddock.out), you might recognise this problem as batches of structures failing, typically 10 of which in sequential numbering.
You might simply submit again the same docking run.
If you keep seeing failures, please do notify us.