# Kotlin and Android Development featuring Jetpack: Error in generated Game.java (page 136)

**URL:** <https://forum.devtalk.com/t/kotlin-and-android-development-featuring-jetpack-error-in-generated-game-java-page-136/21348>\
**Category:** PragProg Customers\
**Tags:** book-kotlin-and-android-development-featuring-jetpack, question\
**Created:** [15 September 2021 00:46 UTC](https://forum.devtalk.com/t/kotlin-and-android-development-featuring-jetpack-error-in-generated-game-java-page-136/21348 "2021-09-15T00:46:29Z")\
**Posts on this page:** 1\
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**Author:** ![mfazio23](https://forum.devtalk.com/user_avatar/forum.devtalk.com/mfazio23/32/528_2.png) [@mfazio23](https://forum.devtalk.com/u/mfazio23)\
**Post date:** [16 September 2021 16:34 UTC](https://forum.devtalk.com/t/kotlin-and-android-development-featuring-jetpack-error-in-generated-game-java-page-136/21348/4 "2021-09-16T16:34:49Z")

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Jeff, I think I got it. The book was written against Room 2.3.0-beta01 which doesn’t play nice with Kotlin 1.5.30. If you upgrade your Room dependency to 2.3.0, it should work without trouble.

Please let me know either way!

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