diff --git a/backend/services/clickTtPlayerRegistrationService.js b/backend/services/clickTtPlayerRegistrationService.js
index 5685f7b8..510a7ba5 100644
--- a/backend/services/clickTtPlayerRegistrationService.js
+++ b/backend/services/clickTtPlayerRegistrationService.js
@@ -1,5 +1,5 @@
 import { chromium } from 'playwright';
-import { writeFile } from 'fs/promises';
+import { mkdir, writeFile } from 'fs/promises';
 import path from 'path';
 import Member from '../models/Member.js';
 import Club from '../models/Club.js';
@@ -140,22 +140,36 @@ class ClickTtPlayerRegistrationService {
         trace
       };
     } catch (error) {
-      let diagnostics = {};
+      const diagnostics = {
+        url: null,
+        text: null,
+        traceTail: trace.slice(-25),
+        htmlPath: null
+      };
+
       try {
         const html = await page?.content?.();
         const htmlPath = html ? buildDebugHtmlPath() : null;
         if (html && htmlPath) {
+          await mkdir(path.dirname(htmlPath), { recursive: true });
           await writeFile(htmlPath, html, 'utf8');
+          diagnostics.htmlPath = htmlPath;
         }
-
-        diagnostics = {
-          url: page?.url?.() || null,
-          text: sanitizePageText(await page?.locator?.('body')?.innerText?.()),
-          traceTail: trace.slice(-25),
-          htmlPath
-        };
       } catch (_err) {
-        diagnostics = {};
+        // keep partial diagnostics
+      }
+
+      try {
+        diagnostics.url = page?.url?.() || null;
+      } catch (_err) {
+        // ignore
+      }
+
+      try {
+        const bodyText = await page?.locator?.('body')?.innerText?.();
+        diagnostics.text = sanitizePageText(bodyText);
+      } catch (_err) {
+        // ignore
       }
 
       this._trace(trace, 'error', {