This is the error I get:
forrtl: severe (64): input conversion error, unit -5, file Internal List-Directed Read
Image              PC                Routine            Line        Source             
atmosphere_model   0000000002FE898E  for__io_return        Unknown  Unknown
atmosphere_model   0000000003013CDD  Unknown               Unknown  Unknown
atmosphere_model   0000000003012446  Unknown               Unknown  Unknown
atmosphere_model   000000000294ADFF  mpas_timekeeping_        1495  mpas_timekeeping.F
atmosphere_model   00000000014F97EF  mpas_atmphys_mana         557  mpas_atmphys_manager.F
atmosphere_model   000000000118E0FC  atm_core_mp_atm_m         435  mpas_atm_core.F
atmosphere_model   0000000001185C6D  atm_core_mp_atm_c         152  mpas_atm_core.F
atmosphere_model   0000000000418371  mpas_subdriver_mp         331  mpas_subdriver.F
atmosphere_model   0000000000413815  MAIN__                     14  mpas.F
atmosphere_model   000000000041379E  Unknown               Unknown  Unknown
libc-2.17.so       00002AAAACDFAB35  __libc_start_main     Unknown  Unknown
atmosphere_model   00000000004136A9  Unknown               Unknown  Unknown
Any help on this would be greatly appreciated! 
Thanks,
Sabina