java.lang.invoke.WrongMethodTypeException: cannot explicitly cast MethodHandle(RubyObjectVar5)Object to (IRubyObject,IRubyObject[],Block)IRubyObject

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cannot explicitly cast MethodHandle(RubyObjectVar5)Object to (IRubyObject,IRubyObject[],Block)IRubyObject
java.lang.invoke.WrongMethodTypeException: cannot explicitly cast MethodHandle(RubyObjectVar5)Object to (IRubyObject,IRubyObject[],Block)IRubyObject	at java.lang.invoke.MethodHandles.explicitCastArgumentsChecks(MethodHandles.java:2038)	at java.lang.invoke.MethodHandles.explicitCastArguments(MethodHandles.java:2026)	at com.headius.invokebinder.transform.Cast.up(Cast.java:43)	at com.headius.invokebinder.Binder.invoke(Binder.java:1110)	at com.headius.invokebinder.Binder.getField(Binder.java:1355)	at com.headius.invokebinder.Binder.getFieldQuiet(Binder.java:1376)	at org.jruby.ir.targets.Bootstrap.createAttrReaderHandle(Bootstrap.java:422)	at org.jruby.ir.targets.Bootstrap.buildAttrHandle(Bootstrap.java:381)	at org.jruby.ir.targets.InvokeSite.getHandle(InvokeSite.java:197)	at org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:136)