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Error when using CAM to drive CLM

 Hi all,I encountered a problem when using CAM output variable, which is got from B1850C5 compsets to drive CLM4. The model crashed just when it starts and the cesm.log file reports that :  NetCDF: Variable not found pio_support::pio_die:: myrank=          -1 : ERROR: nf_mod.F90:         679 :  NetCDF: Variable not found--------------------------------------------------------------------------MPI_ABORT was invoked on rank 1 in communicator MPI_COMM_WORLD with errorcode 1. The scripts I used to setup the model is as the following: ./create_newcase -case I1850SPINUPCN -res f19_g16 -compset I1850SPINUPCN -mach mymachinecd I1850SPINUPCN./xmlchange DATM_CPLHIST_CASE=case1,DATM_MODE=CPLHIST3HrWx./xmlchange DATM_CPLHIST_YR_ALIGN=1,DATM_CPLHIST_YR_START=1851,DATM_CPLHIST_YR_END=1852./xmlchange RUN_STARTDATE=1851-01-01,STOP_N=2,STOP_OPTION=nyears./xmlchange RUN_TYPE=startup ./cesm_setup./I1850SPINUPCN.build Hope anyone else can help me!
 
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