Bioython的出口代码11

Question

有人能帮我理解这个错误信息吗？它来自烧杯笔记本电脑中的IPython单元，通过biopython在命令行中运行T-cofee。在

Non-zero return code 11 from 't_coffee -output clustalw -infile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/uniprot-ornithine+transcarbamylase-2.fasta -outfile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/aligned.aln', message 'PROGRAM: T-COFFEE Version_11.00.8cbe486 (2014-08-12 21:55:14 - Revision 8cbe486 - Build 470)'
Non-zero return code 11 from 't_coffee -output clustalw -infile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/uniprot-ornithine+transcarbamylase-2.fasta -outfile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/aligned.aln', message 'PROGRAM: T-COFFEE Version_11.00.8cbe486 (2014-08-12 21:55:14 - Revision 8cbe486 - Build 470)'
---------------------------------------------------------------------------
ApplicationError                          Traceback (most recent call last)
<ipython-input-1-5970d9b8d2e2> in <module>()
     97 tcoffee_cline = TCoffeeCommandline(infile="/Applications/Beaker.app/Contents/Resources/dist/src/main/web/%s"%(fName2), output="clustalw", outfile="/Applications/Beaker.app/Contents/Resources/dist/src/main/web/aligned.aln")
     98 #executes command line wrapper
---> 99 tcoffee_cline()
    100 #read in the alignment file
    101 alignment = AlignIO.read(open("/Applications/Beaker.app/Contents/Resources/dist/src/main/web/aligned.aln"), "clustal")

//anaconda/lib/python2.7/site-packages/Bio/Application/__init__.pyc in __call__(self, stdin, stdout, stderr, cwd, env)
    513         if return_code:
    514             raise ApplicationError(return_code, str(self),
--> 515                                    stdout_str, stderr_str)
    516         return stdout_str, stderr_str
    517 

ApplicationError: Non-zero return code 11 from 't_coffee -output clustalw -infile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/uniprot-ornithine+transcarbamylase-2.fasta -outfile /Applications/Beaker.app/Contents/Resources/dist/src/main/web/aligned.aln', message 'PROGRAM: T-COFFEE Version_11.00.8cbe486 (2014-08-12 21:55:14 - Revision 8cbe486 - Build 470)'

很乐意回答任何问题，如果有帮助的话。 谢谢！在