Loading and checking parameter files for compatibility...
mmpbsa_py_energy found! Using /Users/3i521409/Programs/amber12/bin/mmpbsa_py_energy
cpptraj found! Using /Users/3i521409/Programs/amber12/bin/cpptraj
Preparing trajectories for simulation...
1000 frames were processed by cpptraj for use in calculation.

Running calculations on normal system...

Beginning GB calculations with /Users/3i521409/Programs/amber12/bin/mmpbsa_py_energy
  calculating complex contribution...
CalcError: /Users/3i521409/Programs/amber12/bin/cpptraj failed with prmtop 3n7h_ind.prmtop!
Error occured on rank 2.
Exiting. All files have been retained.
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 2

===================================================================================
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   PID 1219 RUNNING AT itvds-ws026.local
=   EXIT CODE: 1
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
===================================================================================