diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirScopeProvider.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirScopeProvider.kt
index 46aab598253..e85a39a71e7 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirScopeProvider.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirScopeProvider.kt
@@ -40,6 +40,7 @@ import org.jetbrains.kotlin.fir.java.JavaScopeProvider
 import org.jetbrains.kotlin.fir.java.declarations.FirJavaClass
 import org.jetbrains.kotlin.analysis.api.fir.scopes.JavaClassDeclaredMembersEnhancementScope
 import org.jetbrains.kotlin.analysis.api.fir.symbols.KtFirPsiJavaClassSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithDeclarations
 import org.jetbrains.kotlin.fir.resolve.ScopeSession
 import org.jetbrains.kotlin.fir.resolve.calls.FirSyntheticPropertiesScope
 import org.jetbrains.kotlin.fir.resolve.scope
@@ -78,7 +79,7 @@ internal class KtFirScopeProvider(
                 body(initializer.anonymousObject)
             }
 
-            else -> error { "Unknown KtSymbolWithDeclarations implementation ${this::class.qualifiedName}" }
+            else -> error("Unknown ${KtSymbolWithDeclarations::class.simpleName} implementation ${this::class.qualifiedName}")
         }
     }