Doesn't work with Java?

[Shaurinho]

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'char java.lang.String.charAt(int)' on a null object reference
org.lsposed.lsparanoid.DeobfuscatorHelper.getCharAt(DeobfuscatorHelper.java:62)
org.lsposed.lsparanoid.DeobfuscatorHelper.getString(DeobfuscatorHelper.java:47)
org.lsposed.lsparanoid.Deobfuscator$Sluhai$app.getString(Deobfuscator.java:70)

In Kotlin project all is ok.