diff --git a/lib/importer/nunjucks/importer/macros/table_view.njk b/lib/importer/nunjucks/importer/macros/table_view.njk
index 7c076096..34aa4df7 100644
--- a/lib/importer/nunjucks/importer/macros/table_view.njk
+++ b/lib/importer/nunjucks/importer/macros/table_view.njk
@@ -4,7 +4,7 @@
     {% set rows = data.rows %}
     {% set moreRowsAvailable = data.extraRecordCount > 0 %}
     {% set moreRowsCount = data.extraRecordCount %}
-
+<p>.{{data}}.</p>
     {% set tableHeaders = importerHeaderRowDisplay(session, headerMode) %}
 
     <table class="selectable govuk-body" data-persist-selection="true">
diff --git a/lib/importer/src/debug.js b/lib/importer/src/debug.js
new file mode 100644
index 00000000..f1612e02
--- /dev/null
+++ b/lib/importer/src/debug.js
@@ -0,0 +1,34 @@
+
+const fs = require("node:fs")
+const path = require("node:path")
+
+const session_lib = require("./session.js");
+
+exports.CreateSessionWithFileFixture = (plugin_config, request, filename) => {
+    const sourceFile = path.join(path.resolve(process.cwd()), "../../fixtures/", filename);
+    const targetFile = path.join(plugin_config.uploadPath, filename);
+
+    fs.copyFileSync(sourceFile, targetFile);
+    const fstats = fs.statSync(targetFile)
+
+    let encoding = "utf8";
+    let mimetype = "text/csv"
+
+    if (!filename.toLowerCase().endsWith(".csv")) {
+        encoding = "7bit";
+        mimetype = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+    }
+
+    request.file = {
+        fieldname: "file",
+        originalname: filename,
+        mimetype: mimetype,
+        encoding: encoding,
+        path: targetFile,
+        size: fstats.size,
+        destination: plugin_config.uploadPath,
+        filename: filename
+    };
+
+    return session_lib.CreateSession(plugin_config, request)
+}
diff --git a/lib/importer/src/dudk/sheets.js b/lib/importer/src/dudk/sheets.js
index 5514d5ba..3d5f2f10 100644
--- a/lib/importer/src/dudk/sheets.js
+++ b/lib/importer/src/dudk/sheets.js
@@ -269,7 +269,6 @@ exports.MapData = (sid, sheet, mapping, fields, previewLimit = DEFAULT_PREVIEW_L
   // Convert source mapping (a map from column index -> attribute name) into a mapping for the backend
   let rewrittenMapping = RewriteMapping(mapping, fields)
 
-
   // Apply the mapping
   const backendJid = backend.SessionPerformMappingJob(sid, rowRange, rewrittenMapping);
 
diff --git a/lib/importer/src/functions.js b/lib/importer/src/functions.js
index be4ec2eb..7a6ddd83 100644
--- a/lib/importer/src/functions.js
+++ b/lib/importer/src/functions.js
@@ -158,9 +158,9 @@ const importerGetHeaders = (data) => {
 const importerMappedData = (data) => {
     const session_data = data[IMPORTER_SESSION_KEY];
     const session = new session_lib.Session(session_data)
-
     const mapResults = sheets_lib.MapData(session.backendSid, session.sheet, session.mapping, session.fields);
     const headers = session.fields;
+
     return {
         rows: mapResults.resultRecords,
         headers: headers,
@@ -174,6 +174,7 @@ const importerMappedData = (data) => {
 }
 
 const importerHeaderRowDisplay = (data, mode) => {
+    console.log(data)
     const session_data = data[IMPORTER_SESSION_KEY];
     const session = new session_lib.Session(session_data)
 
diff --git a/lib/importer/src/index.js b/lib/importer/src/index.js
index ce5db786..b7152948 100644
--- a/lib/importer/src/index.js
+++ b/lib/importer/src/index.js
@@ -479,6 +479,52 @@ exports.Initialise = (config, router, prototypeKit) => {
     }
   }
 
+  //--------------------------------------------------------------------
+  // Debug routes for testing presentation
+  //--------------------------------------------------------------------
+  const debug_lib = require("./debug.js")
+  const funcs_lib = require("./functions.js")
+
+  // debug routes ...
+  router.get('/importer/debug', function (request, response) {
+    response.render("debug/index.html", {})
+  })
+
+
+  // Valid, with headers, only warnings
+  router.get('/importer/debug/valid', function (request, response) {
+
+    const sess = debug_lib.CreateSessionWithFileFixture(plugin_config, request, "validation-test.csv").session
+
+    sess.sheet = "Sheet1"
+    sess.headerRange = {
+      sheet: "Sheet1",
+      start: { row: 0, column: 0 },
+      end: { row: 0, column: 7 }
+    }
+
+    sess.mapping = {
+      0: "Employee number",
+      1: "Title",
+      2: "First name",
+      3: "Surname",
+      4: "Employment start date",
+      5: "Salary",
+      6: "Contribution percentage",
+    }
+
+    const local_data = {}
+    local_data[IMPORTER_SESSION_KEY] = sess
+
+    const res = funcs_lib.importerMappedData(local_data)
+
+    // request.session.data[IMPORTER_SESSION_KEY] = sess
+
+    response.render("debug/valid.html", { debug_data: { result: res, session: sess } })
+  })
+
+
+
 
   //--------------------------------------------------------------------
   // Review the processing for the current session before continuing.
diff --git a/lib/importer/src/session.js b/lib/importer/src/session.js
index 426990ab..ea6ed34e 100644
--- a/lib/importer/src/session.js
+++ b/lib/importer/src/session.js
@@ -82,7 +82,6 @@ exports.CreateSession = (config, request) => {
     createResponse.error = err;
     return createResponse;
   }
-
   createResponse.id = getFilenameHash(file.filename);
   createResponse.session = new Session({
     id: createResponse.id,
diff --git a/lib/importer/views/debug/index.html b/lib/importer/views/debug/index.html
new file mode 100644
index 00000000..a9d758d5
--- /dev/null
+++ b/lib/importer/views/debug/index.html
@@ -0,0 +1,17 @@
+{% extends "../layouts/main.html" %}
+
+{% set pageName="Debug" %}
+
+{% block content %}
+
+<div class="govuk-grid-row">
+    <div class="govuk-grid-column-two-thirds">
+        <h1 class="govuk-heading-l">Debug views</h1>
+
+        <p class="govuk-body">
+            <a href="/importer/debug/valid">/fixtures/validation-test.csv</a> with headers specified and missing row warnings
+        </p>
+    </div>
+</div>
+
+{% endblock %}
diff --git a/lib/importer/views/debug/valid.html b/lib/importer/views/debug/valid.html
new file mode 100644
index 00000000..50a09852
--- /dev/null
+++ b/lib/importer/views/debug/valid.html
@@ -0,0 +1,24 @@
+{% extends "../layouts/main.html" %}
+
+{% from "importer/macros/table_view.njk" import importerTableView %}
+
+{% set pageName="Debug - Valid" %}
+
+{% block beforeContent %}
+    <a href="/importer/debug" class="govuk-back-link">Back</a>
+{% endblock %}
+
+{% block content %}
+
+<div class="govuk-grid-row">
+    <div class="govuk-grid-column-two-thirds">
+        <h1 class="govuk-heading-l">Valid, with headers, only warnings</h1>
+
+        <p class="govuk-body">
+            {{ importerTableView(debug_data.session, debug_data.result, caption="test", headerMode="none") }}
+        </p>
+
+    </div>
+</div>
+
+{% endblock %}
diff --git a/prototypes/basic/app/routes.js b/prototypes/basic/app/routes.js
index 8cf1a45b..d733561c 100644
--- a/prototypes/basic/app/routes.js
+++ b/prototypes/basic/app/routes.js
@@ -5,7 +5,6 @@
 const govukPrototypeKit = require("govuk-prototype-kit");
 const router = govukPrototypeKit.requests.setupRouter();
 
-
 // Below 3 lines added by the Data Upload Design Kit plugin.
 // If you uninstall the plugin, remove the 3 lines below.
 const importer = require("@register-dynamics/importer");