NEED HELP

I need help with the following problems, thanks a lot!!!!(the sequence seq.fasta is actually the example.fasta in ./I-TASSER/bin/psipred/example.fasta I copy it to the file
folder 1a2bA and rename it, IS IT OK?? )

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sh: line 1: 3344 Floating point exception/lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/bin/psipred psitmp.mtx /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/ data/weights.dat /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat2 /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat3 /lustrefs/ho me/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat4 >protein.ss
sh: line 1: 3355 Floating point exception/lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/bin/psipass2 /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weigh ts_p2.dat 1 1.0 1.0 protein.ss2 protein.ss >protein.horiz
cp: cannot stat `protein.ss2': No such file or directory
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THE FOLLOWING IS MY SETTINGS AND THE ERRORS THAT MAKE ME CONFUSED.

hlzhang@node73:~> /lustrefs/home/temp/hlzhang/I-TASSER/I-TASSERmod/runI-TASSER.pl -libdir /lustrefs/home/temp/hlzhang/I-TASSER -seqname seq.fasta -datadir /lustref s/home/temp/hlzhang/1a2bA -usrname hlzhang
Your setting is:
-libdir =/lustrefs/home/temp/hlzhang/I-TASSER
-seqname =seq.fasta
-datadir =/lustrefs/home/temp/hlzhang/1a2bA
-usrname =hlzhang
-runstyle =serial
-homoflag =real
-idcut =1
-ntemp =20
-nmodel =5
mkdir: cannot create directory `/temp': Permission denied
cannot make temporary directory
hlzhang@node73:~> vi /lustrefs/home/temp/hlzhang/I-TASSER/I-TASSERmod/runI-TASSER.pl hlzhang@node73:~> /lustrefs/home/temp/hlzhang/I-TASSER/I-TASSERmod/runI-TASSER.pl -libdir /lustrefs/home/temp/hlzhang/I-TASSER -seqname seq.fasta -datadir /lustref s/home/temp/hlzhang/1a2bA -usrname hlzhang
Your setting is:
-libdir =/lustrefs/home/temp/hlzhang/I-TASSER
-seqname =seq.fasta
-datadir =/lustrefs/home/temp/hlzhang/1a2bA
-usrname =hlzhang
-runstyle =serial
-homoflag =real
-idcut =1
-ntemp =20
-nmodel =5
1. make seq.txt and rmsinp
2.1 run Psi-blast
2.2 run psipred
sh: line 1: 3344 Floating point exception/lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/bin/psipred psitmp.mtx /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/ data/weights.dat /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat2 /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat3 /lustrefs/ho me/temp/hlzhang/I-TASSER/bin/psipred/data/weights.dat4 >protein.ss
sh: line 1: 3355 Floating point exception/lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/bin/psipass2 /lustrefs/home/temp/hlzhang/I-TASSER/bin/psipred/data/weigh ts_p2.dat 1 1.0 1.0 protein.ss2 protein.ss >protein.horiz
cp: cannot stat `protein.ss2': No such file or directory
2.3 run solve
2.4 run pairmod
2.4.1 removing homology templates based on real and 1
2.4.2 running pai

r ................