An error in building case (./case.build) as follows:
(base) dksingh@cheyenne6:/glade/work/dksingh/cases/bssp245smbb_2035> ./case.build
Building case in directory /glade/work/dksingh/cases/bssp245smbb_2035
sharedlib_only is False
model_only is False
Setting resource.RLIMIT_STACK to -1 from (307200000, -1)
Generating component namelists as part of build
GET_REFCASE is false, the user is expected to stage the refcase to the run directory.
Creating component namelists
Calling /glade/work/dksingh/code/my_cesm_code/components/cam//cime_config/buildnml
...calling cam buildcpp to set build time options
CAM namelist copy: file1 /glade/work/dksingh/cases/bssp245smbb_2035/Buildconf/camconf/atm_in file2 /glade/scratch/dksingh/bssp245smbb_2035/run/atm_in
Calling /glade/work/dksingh/code/my_cesm_code/components/clm//cime_config/buildnml
ERROR: Command /glade/work/dksingh/code/my_cesm_code/components/clm/bld/build-namelist failed rc=255
out=CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'sim_year' with val '1850'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'sim_year_range' with val '1850-2100'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'ssp_rcp' with val 'SSP2-4.5'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'use_case_desc' with val 'Simulate transient land-use, aerosol deposition, and Nitrogen deposition changes from 1850 to current day with historical data, and then to 2100 with the CMIP6 SSP2-4.5 scenario'
err=ERROR : CLM build-namelist::CLMBuildNamelist::setup_logic_c_isotope() : use_c13 is FALSE and use_c13_timeseries or atm_c13_filename set
(base) dksingh@cheyenne6:/glade/work/dksingh/cases/bssp245smbb_2035> ./case.build
Building case in directory /glade/work/dksingh/cases/bssp245smbb_2035
sharedlib_only is False
model_only is False
Setting resource.RLIMIT_STACK to -1 from (307200000, -1)
Generating component namelists as part of build
GET_REFCASE is false, the user is expected to stage the refcase to the run directory.
Creating component namelists
Calling /glade/work/dksingh/code/my_cesm_code/components/cam//cime_config/buildnml
...calling cam buildcpp to set build time options
CAM namelist copy: file1 /glade/work/dksingh/cases/bssp245smbb_2035/Buildconf/camconf/atm_in file2 /glade/scratch/dksingh/bssp245smbb_2035/run/atm_in
Calling /glade/work/dksingh/code/my_cesm_code/components/clm//cime_config/buildnml
ERROR: Command /glade/work/dksingh/code/my_cesm_code/components/clm/bld/build-namelist failed rc=255
out=CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'sim_year' with val '1850'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'sim_year_range' with val '1850-2100'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'ssp_rcp' with val 'SSP2-4.5'
CLM adding use_case 1850-2100_SSP2-4.5_transient defaults for var 'use_case_desc' with val 'Simulate transient land-use, aerosol deposition, and Nitrogen deposition changes from 1850 to current day with historical data, and then to 2100 with the CMIP6 SSP2-4.5 scenario'
err=ERROR : CLM build-namelist::CLMBuildNamelist::setup_logic_c_isotope() : use_c13 is FALSE and use_c13_timeseries or atm_c13_filename set