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

Backtrace for this error:
#0  0x15555459d7a2 in ???
#1  0x15555459c935 in ???
#2  0x15555384e5af in ???
#3  0x61a351 in __rotation_mix_info_MOD_set_rotation_mixing_info._omp_fn.0
	at private/rotation_mix_info.f90:207
#4  0x1555553847a1 in ???
#5  0x61e37a in __rotation_mix_info_MOD_set_rotation_mixing_info
	at private/rotation_mix_info.f90:110
#6  0x55134a in __mix_info_MOD_update_rotation_mixing_info
	at private/mix_info.f90:1589
#7  0x557f2c in __mix_info_MOD_set_mixing_info
	at private/mix_info.f90:293
#8  0x524eee in __hydro_vars_MOD_set_hydro_vars
	at private/hydro_vars.f90:622
#9  0x527e22 in __hydro_vars_MOD_update_vars
	at private/hydro_vars.f90:248
#10  0x5283d6 in set_some_vars
	at private/hydro_vars.f90:201
#11  0x528858 in __hydro_vars_MOD_set_vars
	at private/hydro_vars.f90:93
#12  0x4f03d4 in set_start_of_step_info
	at private/evolve.f90:1780
#13  0x4f79ae in prepare_for_new_step
	at private/evolve.f90:1895
#14  0x4f79ae in do_step_part1
	at private/evolve.f90:384
#15  0x4f79ae in __evolve_MOD_do_evolve_step_part1
	at private/evolve.f90:77
#16  0x42b112 in __star_lib_MOD_star_evolve_step_part1
	at public/star_lib.f90:577
#17  0x42b112 in __star_lib_MOD_star_evolve_step
	at public/star_lib.f90:559
#18  0x421424 in __run_star_support_MOD_do_evolve_one_step
	at job/run_star_support.f90:216
#19  0x421e25 in __run_star_support_MOD_run1_star
	at job/run_star_support.f90:119
#20  0x42cd7a in __run_star_MOD_do_run_star
	at job/run_star.f90:26
#21  0x406f20 in run
	at src/run.f90:13
#22  0x406f20 in main
	at src/run.f90:2
make: *** [/mnt/home/pmocz/ceph/mesa-git-tests/tmp.PbqSj9tzkO/star/work/Makefile:16: run] Floating point exception (core dumped)