dex2jar: java.lang.StringIndexOutOfBoundsException: String index out of range: -2

java.lang.StringIndexOutOfBoundsException: String index out of range: -2
        at java.lang.String.substring(Unknown Source)
        at org.objectweb.asm.signature.SignatureReader.parseType(SignatureReader.java:169)
        at org.objectweb.asm.signature.SignatureReader.acceptType(SignatureReader.java:130)
        at org.objectweb.asm.commons.Remapper.mapSignature(Remapper.java:162)
        at org.objectweb.asm.commons.RemappingClassAdapter.visitField(RemappingClassAdapter.java:90)
        at org.objectweb.asm.ClassVisitor.visitField(ClassVisitor.java:272)
        at com.googlecode.d2j.dex.Dex2Asm.convertField(Dex2Asm.java:488)
        at com.googlecode.d2j.dex.Dex2Asm.convertClass(Dex2Asm.java:439)
        at com.googlecode.d2j.dex.Dex2Asm.convertClass(Dex2Asm.java:357)
        at com.googlecode.d2j.dex.Dex2Asm.convertDex(Dex2Asm.java:460)
        at com.googlecode.d2j.dex.Dex2jar.doTranslate(Dex2jar.java:175)
        at com.googlecode.d2j.dex.Dex2jar.to(Dex2jar.java:275)
        at com.googlecode.dex2jar.tools.Dex2jarCmd.doCommandLine(Dex2jarCmd.java:112)
        at com.googlecode.dex2jar.tools.BaseCmd.doMain(BaseCmd.java:290)
        at com.googlecode.dex2jar.tools.Dex2jarCmd.main(Dex2jarCmd.java:33)

P.S: I’m trying to use this tool on a classes.dex file extracted from an APK which was mainly programmed in Kotlin.