svtools afreq KeyError: 'SQ' in

[shameem356]

hello ,

I am getting the below error while running the svtools afreq. looking for your suggestion to solve the issue

svtools afreq 188_svtools_vcfpaste.vcf > 188_svtools_AF.vcf

Error :
File "bin/svtools", line 8, in
sys.exit(main())
File "lib/python2.7/site-packages/svtools/cli.py", line 73, in main
sys.exit(args.entry_point(args))
File "/lib/python2.7/site-packages/svtools/afreq.py", line 121, in run_from_args
updater.execute()
File "lib/python2.7/site-packages/svtools/afreq.py", line 96, in execute
var.info['MSQ'] = self.calc_msq(var)
File "lib/python2.7/site-packages/svtools/afreq.py", line 21, in calc_msq
if var.genotype(s).get_format('GT') == '1/1' or var.genotype(s).get_format('GT') == '0/1'])
File "/lib/python2.7/site-packages/svtools/vcf/genotype.py", line 35, in get_format
return self.format[field]
KeyError: 'SQ'