shr_assert_in_domain: state%ps has invalid value

[rajuphyamu@gmail_com]

Hi,I am getting error such as state%ps has invalid value during writing the first time step to the histroy fileand report problem such as  ERROR: shr_assert_in_domain: state%ps has invalid value 
                       NaN  at location:             1Any help regarding this will be highly valuableThanks in advance Problem are as:WSHIST: writing time sample   0 to h-file 1 DATE=0000/01/01 NCSEC=     0
 
 WSHIST: nhfil(            1 )=camrun.cam.h0.0000-01-01-00000.nc
 Opening netcdf history file camrun.cam.h0.0000-01-01-00000.nc
 Opened file camrun.cam.h0.0000-01-01-00000.nc to write       524288
 H_DEFINE: Successfully opened netcdf file
 nstep, te        1                      -Inf   0.33204137999815559E+10                       NaN                      -Inf
 ERROR: shr_assert_in_domain: state%ps has invalid value 
                       NaN  at location:             1
 Expected value to be a number.
(shr_sys_abort) ERROR: NaN produced in physics_state by package before tphysbc (dycore?
(shr_sys_abort) WARNING: calling shr_mpi_abort() and stopping
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 16 in communicator MPI_COMM_WORLD
with errorcode 1001.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.