diff --git a/tests/diagnose-project5.tmp.test.ts b/tests/diagnose-project5.tmp.test.ts
new file mode 100644
index 00000000..40851d8f
--- /dev/null
+++ b/tests/diagnose-project5.tmp.test.ts
@@ -0,0 +1,74 @@
+import { readFileSync } from "node:fs";
+import { strFromU8, unzipSync } from "fflate";
+import { describe, it } from "vitest";
+
+import {
+  formatSceneDiagnostic,
+  validateProjectDocument,
+  validateProjectSchedulingResources,
+  validateSceneDocument,
+  validateSceneDocumentLocalBuildContent
+} from "../src/document/scene-document-validation";
+import { createSceneDocumentFromProject } from "../src/document/scene-document";
+import { parseProjectDocumentJson } from "../src/serialization/scene-document-json";
+
+describe("diagnose project 5", () => {
+  it("prints validation diagnostics", () => {
+    const entries = unzipSync(
+      readFileSync("/Users/giers/webeditor3d/untitled-project-5.we3d")
+    );
+    const sceneJson = entries["scene.json"];
+
+    if (sceneJson === undefined) {
+      throw new Error("Missing scene.json");
+    }
+
+    const project = parseProjectDocumentJson(strFromU8(sceneJson));
+    const activeScene = createSceneDocumentFromProject(
+      project,
+      project.activeSceneId
+    );
+    const projectValidation = validateProjectDocument(project, {
+      terrainSampleValues: "skip"
+    });
+    const schedulingValidation = validateProjectSchedulingResources(project);
+    const activeSceneFullValidation = validateSceneDocument(activeScene, {
+      terrainSampleValues: "skip"
+    });
+    const activeSceneLocalValidation = validateSceneDocumentLocalBuildContent(
+      activeScene,
+      {
+        terrainSampleValues: "skip"
+      }
+    );
+
+    const summarize = (
+      name: string,
+      diagnostics: Array<{ message: string; path?: string }>
+    ) => {
+      console.log(`\n${name}: ${diagnostics.length}`);
+      for (const diagnostic of diagnostics) {
+        console.log(formatSceneDiagnostic(diagnostic as never));
+      }
+    };
+
+    console.log(
+      JSON.stringify(
+        {
+          projectName: project.name,
+          activeSceneId: project.activeSceneId,
+          activeSceneName: project.scenes[project.activeSceneId]?.name,
+          sceneCount: Object.keys(project.scenes).length,
+          sequenceIds: Object.keys(project.sequences.sequences),
+          schedulerRoutineIds: Object.keys(project.scheduler.routines)
+        },
+        null,
+        2
+      )
+    );
+    summarize("project errors", projectValidation.errors);
+    summarize("scheduling errors", schedulingValidation.errors);
+    summarize("active scene full errors", activeSceneFullValidation.errors);
+    summarize("active scene local build errors", activeSceneLocalValidation.errors);
+  });
+});