Program received signal SIGFPE: Floating-point exception - erroneous arithmetic operation.

Backtrace for this error:
#0  0x145fe181f7a2 in ???
#1  0x145fe181e935 in ???
#2  0x145fe0c3b5af in ???
#3  0x4f5850 in __micro_MOD_set_micro_vars
	at ../private/micro.f90:151
#4  0x4fd59e in __hydro_vars_MOD_set_hydro_vars
	at ../private/hydro_vars.f90:516
#5  0x4ff7a2 in __hydro_vars_MOD_update_vars
	at ../private/hydro_vars.f90:241
#6  0x4ffb2e in set_some_vars
	at ../private/hydro_vars.f90:194
#7  0x4ffe98 in __hydro_vars_MOD_set_vars
	at ../private/hydro_vars.f90:86
#8  0x5276e9 in __read_model_MOD_finish_load_model
	at ../private/read_model.f90:165
#9  0x5e220e in model_builder
	at ../private/init.f90:1018
#10  0x5e3e5e in __init_MOD_load_saved_model
	at ../private/init.f90:811
#11  0x4100fe in __star_lib_MOD_star_read_model
	at ../public/star_lib.f90:522
#12  0x420285 in do_load1_star
	at ../job/run_star_support.f90:1720
#13  0x420285 in do_before_evolve_loop
	at ../job/run_star_support.f90:326
#14  0x428339 in __run_star_support_MOD_start_run1_star
	at ../job/run_star_support.f90:167
#15  0x4284b0 in __run_star_support_MOD_run1_star
	at ../job/run_star_support.f90:108
#16  0x409365 in __run_star_MOD_do_run_star
	at /n/netscratch/conroy_lab/Lab/ebauer/mesa-git-tests/tmp.rLJ1GhCPdr/star/job/run_star.f90:26
#17  0x4093f5 in run
	at ../src/run.f90:13
#18  0x409464 in main
	at ../src/run.f90:2
./rn1: line 6: 2142993 Floating point exception(core dumped) ./star