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This occurs when using Python 3 rather than Python 2. Module load python2.7.X and clean build.

(4) Build error - fail with 'isalnum'

During the model build the following error occurs:

error: call to undeclared library function 'isalnum' with type 'int (int)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

To address this error went into: $CESM_ROOT/components/cism/source_cism/libglimmer/

Opened: writestats.c and added the line: 

#include <ctype.h>

to the include header section. The case was set up again and subsequently built and ran successfully.

This error was addressed in the discussion board comments:
https://bb.cgd.ucar.edu/cesm/threads/installing-cesm2-on-perlmutter.8488/
https://bb.cgd.ucar.edu/cesm/threads/cism-buildlib-failed-for-cesm2-1-4-on-derecho.8543/

(5) Submit error - files missing

Cloning and creating a branch is complete but the following error occurs:

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c) [Clone only] Make sure initialization files are not defined in the user_nl_cam or user_nl_clm files (i.e. remove those lines if they are there).

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6) Run error - model crash due to MPT error (not relevant anymore)

With a recent update to the MPT system on cheyenne during March 2019, the env_mach_specific.xml file needs to be updated. Otherwise you will be able to submit, but will find the simulation crashes with this error in the cesm.log.XXX file:

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>./case.setup --reset
>./case.build --clean
>./case.build

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7) Run error - model crash due to dry deposition

(seq_drydep_read) Read in drydep_inparm namelist from: drv_flds_in
 ERROR: (seq_drydep_read) ERROR: encountered end-of-file on namelist read

This error occurs when you add a gas species and make it to be dry deposited by adding the species name into ‘drydep_list’ in ‘&drydep_inparm’, but you don’t modify seq_drydep_mod.F90. See instructions on https://wiki.ucar.edu/display/camchem/Updating+Gas-Phase+Chemistry

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8) Run error - model crash past 2016

To run past 2016 you will need to make sure the correct sea ice specification is called. Edit in env_run.xml:

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Which repeats 2018 SSTs for 2019 and 2020.

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9) Run error - model crash due to rpointer.drv file check

(seq_infodata_Init) read rpointer file rpointer.drv
(seq_infodata_Init) restart file from rpointer= str_undefined
(seq_io_read_openfile) ERROR: file invalid str_undefined
ERROR: Unknown error submitted to shr_abort_abort.

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>./xmlchange CONTINUE_RUN=FALSE

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10) Run error - model crash due to meteorology defintion issues

The model freezes after or during reading in the LBC file. The atm.log.* file gives an error such as:

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