[AMBER] Error: System density has likely changed

From: M RCC <mkr3j2c1.gmail.com>
Date: Mon, 27 Aug 2018 15:10:07 +0530

Why am getting the following error, while running the pulling step in
umbrella sampling?

"
Your system density has likely changed by a large amount, probably from
  starting the simulation from a structure a long way from equilibrium.

  [Although this error can also occur if the simulation has blown up for
some reason]

  The GPU code does not automatically reorganize grid cells and thus you
  will need to restart the calculation from the previous restart file.
  This will generate new grid cells and allow the calculation to continue.
  It may be necessary to repeat this restarting multiple times if your
system
  is a long way from an equilibrated density.

  Alternatively you can run with the CPU code until the density has
converged
  and then switch back to the GPU code.
"
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Received on Mon Aug 27 2018 - 03:00:03 PDT
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