A modern programming language that makes developers happier.

kotlinlang

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I started to get errors after upgrading from `2019.1` to `2019.2`
`Cannot access 'com.intellij.psi.PsiModifiableCodeBlock' which is a supertype of 'org.jetbrains.kotlin.psi.KtProperty'. Check your module classpath for missing or conflicting dependencies`

My `build.gradle` :
<https://github.com/adevone/summer-plugin/blob/bugfix/psi_modifiable_code_block/build.gradle>

Whole plugin sources:
<https://github.com/adevone/summer-plugin/blob/bugfix/psi_modifiable_code_block>

You have to explicitly add the `java` plugin IIRC. They extracted the java support into a plugin from that version.