Unrecognized option: -d64

While i run this script 
`python batchtester.py -a -reg my_regexes.txt`
some files are created for every regex in `my_regexes.txt`. But There Shows an error there
`Unrecognized option: -d64`
`Error: Could not create the Java Virtual Machine.`
`Error: A fatal exception has occurred. Program will exit.`
