Error Messages Using I-TASSER5.0

[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
list in: end of file
apparent state: unit 77 named seq.dat
last format: list io
lately reading sequential formatted external IO
Illegal division by zero at /home/oem/I-TASSER5.0/data/PPAS_seq_cryaa.fasta line 354.
[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
At line 386 of file ppa1.f
Fortran runtime error: No such file or directory
Illegal division by zero at /home/oem/I-TASSER5.0/data/dPPAS_seq_cryaa.fasta line 356.
[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
At line 386 of file ppa1.f
Fortran runtime error: No such file or directory
Illegal division by zero at /home/oem/I-TASSER5.0/data/dPPAS2_seq_cryaa.fasta line 355.
[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
At line 356 of file zal3.f
Fortran runtime error: End of file
Illegal division by zero at /home/oem/I-TASSER5.0/data/Env-PPAS_seq_cryaa.fasta line 352.
[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
At line 594 of file zal33.f
Fortran runtime error: No such file or directory
Illegal division by zero at /home/oem/I-TASSER5.0/data/MUSTER_seq_cryaa.fasta line 599.
[makemat] FATAL ERROR: Unable to recover checkpoint from psitmp.chk

mv: cannot stat 'psitmp.mtx': No such file or directory
Exception in thread "main" java.io.FileNotFoundException: protein.mtx (No such file or directory)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.(FileInputStream.java:138)
at java.io.FileInputStream.(FileInputStream.java:93)
at java.io.FileReader.(FileReader.java:58)
at c.a(c.java)
at c.main(c.java)
Illegal division by zero at /home/oem/I-TASSER5.0/data/wdPPAS_seq_cryaa.fasta line 348.
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 3
at e.a(e.java)
at e.main(e.java)
Illegal division by zero at /home/oem/I-TASSER5.0/data/wMUSTER_seq_cryaa.fasta line 570.
PGFIO-F-209/OPEN/unit=26/'OLD' specified for file which does not exist.
File name = matrix3.comm
In source file pair99.f, at line number 112
cp: cannot stat 'pair.3': No such file or directory
cp: cannot stat 'pair.1': No such file or directory
Command exited with non-zero status 8
839.48user 5.62system 6:55.42elapsed 203%CPU (0avgtext+0avgdata 3799248maxresident)k
1712inputs+63480outputs (16major+1308287minor)pagefaults 0swaps
only 1 threading programs have output, please check threading programs
cp: cannot stat 'model*.pdb': No such file or directory
cp: cannot stat 'cscore': No such file or directory
cp: cannot stat 'lscore.txt': No such file or directory
cp: cannot stat 'rst.dat': No such file or directory
cp: cannot stat 'rep*tra*.*': No such file or directory