Dear whom it may concern,

I tried to solve the tracking problem of unequal mass binary neutron 
(http://einsteintoolkit.org/gallery/bns/index.html ) star by using the thorn 
WVUThorns_Diagnostics / VolumeIntegrals_GRMHD . Therefore I activate both 
IllinoisGRMHD and VolumeIntegrals_GRMHD. However I met the error which showed 
in both .err file and .out file.

In .err file:
Thu Jul 12 08:03:04 2018: [unset]:_pmi_alps_init:alps_get_placement_info 
returned with error -1
Thu Jul 12 08:03:04 2018: [unset]:_pmi_init:_pmi_alps_init returned -1

In .out file:
INFO (IllinoisGRMHD): Font fix failed!
INFO (IllinoisGRMHD): i,j,k = 78 31 41, stats.failure_checker = 10000 x,y,z = 
-1.800000e+01 -7.593750e+00 1.068750e+01 , index=574610 st_i = -nan -nan -nan, 
rhostar = 2.902693e+243, Bi = 0.000000e+00 0.000000e+00 0.000000e+00, gij = 
1.295702e+00 0.000000e+00 0.000000e+00 1.295702e+00 0.000000e+00 1.295702e+00, 
Psi6 = 1.474883e+00
INFO (IllinoisGRMHD): Couldn't find root from: -nan 2.902693e+243 -nan -nan 
-nan, rhob approx=1.968084e+243, rho_b_atm=1.000000e+200, Bx=0.000000e+00, 
By=0.000000e+00, Bz=0.000000e+00, gij_phys=1.295702e+00 0.000000e+00 
0.000000e+00 1.295702e+00 0.000000e+00 1.295702e+00, alpha=8.746533e-01

I am not sure what these error exactly mean and how to solve it.

Thanks.
Chia-Hui

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