After updating IntelliJ to 2026.2.3 creating a Kto...

# kotlin-toolchain

[Paul at Avans Breda]

After updating IntelliJ to 2026.2.3 creating a Ktor server application shows unresolved errors in Routing.kt in the starter template for Kotlin Toolchain.

[suresh]

Same issue for me also..latest IntelliJ update broke the Kotlin project import

Caused by: java.lang.ClassNotFoundException: org.jetbrains.kotlin.psi.KtFile PluginClassLoader(plugin=ContentModuleDescriptor(id=intellij.libraries.amper, loadingRule=REQUIRED) <- PluginMainDescriptor(name=Kotlin Toolchain, id=org.jetbrains.kotlin-toolchain, version=262.10968.63, isBundled=false, path=~/Library/Application Support/JetBrains/IntelliJIdea2026.2/plugins/amper-plugin), packagePrefix=null, state=active, parents=ContentModuleDescriptor(id=intellij.yaml, loadingRule=EMBEDDED) <- PluginMainDescriptor(name=YAML, id=org.jetbrains.plugins.yaml, version=262.10968.63, package=org.jetbrains.yaml, isBundled=true, path=~/Applications/IntelliJ <http://IDEA.app/Contents/plugins/yaml)|IDEA.app/Contents/plugins/yaml)>, ContentModuleDescriptor(id=intellij.toml.core, loadingRule=EMBEDDED) <- PluginMainDescriptor(name=Toml, id=org.toml.lang, version=262.10968.63, isBundled=true, path=~/Applications/IntelliJ <http://IDEA.app/Contents/plugins/toml|IDEA.app/Contents/plugins/toml>), )
	... 119 more

@Anton Prokhorov jfyi

[utikeev]

Sorry about that :( We are going to take a look at this today and release the new plugin version as soon as we figure it out!

[klikh]

Issue to track: KTC-5903 The Kotlin Toolchain IDE plugin is broken in IDEA 2026.2.3

[utikeev]

We've released the plugin version <tel:[phone]|262.10968.82> with the fix—the IDE should suggest updating soon.
Sorry for the inconvenience!