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kotlinlang

hi all, anyone tried to use window functions in kotlin-spark-api? I am getting an error Kotlin: [Internal Error] org.jetbrains.kotlin.util.KotlinFrontEndException: Exception while analyzing expression at (28,27) in ...

In this line I have only this:
```val orderBy = Window.partitionBy()```
commenting this part is making compilation pass

Entire stacktrace is really long, but the cause is this:
```Caused by: java.lang.IllegalStateException: No parameter with index 0-0 (name=grouper$module$1 access=16) in method scala.collection.TraversableLike.grouper$2```

Ok, I am answering to myself, but I believe that I have found a cause and it was related with this issue: <https://youtrack.jetbrains.com/issue/KT-38325>