blastpgp is not working properly, please check

Getting an error while running the I-TASSER5.1.

neha@neha-Inspiron-5558:~/I-TASSER5.1/I-TASSERmod$ ./runI-TASSER.pl -pkgdir /home/neha/I-TASSER5.1 -libdir /home/neha/ITLIB -seqname seq.fasta -datadir /home/neha/I-TASSER5.1/example

Your setting for running I-TASSER is:
-pkgdir = /home/neha/I-TASSER5.1
-libdir = /home/neha/ITLIB
-java_home = /usr
-seqname = seq.fasta
-datadir = /home/neha/I-TASSER5.1/example
-outdir = /home/neha/I-TASSER5.1/example
-runstyle = serial
-homoflag = real
-idcut = 1
-ntemp = 20
-nmodel = 5
-light = false
-hours = 50
-LBS = false
-EC = false
-GO = false

1. make seq.txt and rmsinp
Your protein contains 143 residues:
> seq.fasta
MYQLEKEPIVGAETFYVDGAANRETKLGKAGYVTNRGRQKVVTLTDTTNQKTELQAIYLA
LQDSGLEVNIVTDSQYALGIITQWIHNWKKRGWPVKNVDLVNQIIEQLIKKEKVYLAWVP
AHKGIGGNEQVDKLVSAGIRKVL
2.1 run Psi-blast
/home/neha/I-TASSER5.1/blast/bin/blastpgp is not working properly, please check

Please respond