how to run mcsqs

my cluster.out is empty, and i upload the rndstr.in,which error happened,how to ru masqs, it reports Segmentation fault (core dumped) this is my rndstr.in as follow

4.167 4.167 4.123 90 90 90
1 0 0
0 1 0
0 0 1
0.0000000014324613 0.9999999995976268 0.9999999955755214 Mn=0.5 Mn=0.5
0.9999999980583283 0.5000000005806768 0.5000000006137171 Mn=1
0.4999999978528820 0.0000000008749410 0.5000000004321095 Mn=1
0.5000000024815563 0.4999999993270166 0.0000000036736623 Mn=1
0.5000000014722303 0.9999999997033839 0.0000000002657004 N=1
0.0000000016697754 0.4999999993663877 0.9999999998013180 N=1
0.9999999985266186 0.0000000001940421 0.4999999979929157 N=1
0.4999999985061407 0.5000000003559251 0.5000000016450556 N=1

You should not have “Mn=0.5 Mn=0.5 in the same line”, is that a typo?

Maybe you want “Mn=0.5, N=0.5” instead?