IntelliJPlatformGradlePlugin/org.jetbrains.intellij.platform.gradle.plugins.project/IntelliJExtension/sandboxDir

sandboxDir

abstract val ~~sandboxDir~~: Property<String>

Deprecated (with error)

Use the `intellijPlatform.sandboxContainer`. IntelliJ Platform Extension: https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-extension.html Migration guide: https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-migration.html

Replace with

sandboxContainer