diff --git a/src/org/labkey/test/LabKeySiteWrapper.java b/src/org/labkey/test/LabKeySiteWrapper.java
index ee5863824e..1272e53c8e 100644
--- a/src/org/labkey/test/LabKeySiteWrapper.java
+++ b/src/org/labkey/test/LabKeySiteWrapper.java
@@ -1721,23 +1721,29 @@ protected void deletePipelineJob(@LoggedParam String jobDescription, @LoggedPara
 
     public String getConversionErrorMessage(Object value, String fieldName, Class<?> targetClass)
     {
-        return getConversionErrorMessage(value, fieldName, targetClass, true);
+        return getConversionErrorMessage(value, fieldName, targetClass, true, false);
     }
 
     // Note: Keep in sync with ConvertHelper.getStandardConversionErrorMessage()
     // Example: "Could not convert value '2.34' (Double) for Boolean field 'Medical History.Dep Diagnosed in Last 18 Months'"
-    public String getConversionErrorMessage(Object value, String fieldName, Class<?> targetClass, boolean useUSDateParsing)
+    public String getConversionErrorMessage(Object value, String fieldName, Class<?> targetClass, boolean useUSDateParsing, boolean withoutSingleQuotes)
     {
+        String errorMessage;
         String fieldType = targetClass.getSimpleName();
+        String quote = withoutSingleQuotes ? "" : "'";
 
         // Issue 50768: Need a better error message if date value is not in the expected format.
         if (fieldType.equalsIgnoreCase("date") || fieldType.equalsIgnoreCase("datetime") || fieldType.equalsIgnoreCase("timestamp"))
         {
             String parsingMode = useUSDateParsing ? "U.S. date parsing (MDY)" : "Non-U.S. date parsing (DMY)";
-            return "'" + value + "' is not a valid " + fieldType + " for " + fieldName + " using " + parsingMode;
+            errorMessage = quote + value + quote + " is not a valid " + fieldType + " for " + fieldName + " using " + parsingMode;
+        }
+        else
+        {
+            errorMessage = "Could not convert value " + quote + value + quote + " (" + value.getClass().getSimpleName() + ") for " + fieldType + " field " + quote + fieldName + quote;
         }
 
-        return "Could not convert value '" + value + "' (" + value.getClass().getSimpleName() + ") for " + fieldType + " field '" + fieldName + "'" ;
+        return errorMessage;
     }
 
     private ProductKey getProductConfiguration() throws IOException, CommandException
diff --git a/src/org/labkey/test/tests/InlineImagesListTest.java b/src/org/labkey/test/tests/InlineImagesListTest.java
index fab04e0bb9..07c9d9ddcc 100644
--- a/src/org/labkey/test/tests/InlineImagesListTest.java
+++ b/src/org/labkey/test/tests/InlineImagesListTest.java
@@ -372,7 +372,7 @@ public final void testList() throws Exception
         importFilePathError(listImportPage, "1", PDF_FILE.getName());
         importFilePathError(listImportPage, "5", PDF_FILE.getName());
 
-        String attachmentError = "Can't upload '%s' to field %s with type Attachment.";
+        String attachmentError = "Cannot upload '%s' to Attachment type field '%s'.";
         String attachmentPdfError = String.format(attachmentError, PDF_FILE.getName(), LIST_ATTACHMENT01_NAME);
         String attachmentAbsentError = String.format(attachmentError, "Absent.txt", LIST_ATTACHMENT01_NAME);
         verifyQueryAPI("lists", LIST_NAME, Map.of(LIST_KEY_NAME, 5, LIST_ATTACHMENT01_NAME, PDF_FILE.getName()), true, "Row 1: " + attachmentPdfError);
@@ -397,7 +397,7 @@ private void importFilePathError(ImportDataPage listImportPage, String key, Stri
         listImportPage.submitExpectingError();
         try
         {
-            String expectedError = "Row 1: Can't upload '" + attachmentValue + "' to field " + LIST_ATTACHMENT01_NAME + " with type Attachment.";
+            String expectedError = "Row 1: Cannot upload '" + attachmentValue + "' to Attachment type field '" + LIST_ATTACHMENT01_NAME + "'.";
             checker().withScreenshot("import_error").verifyTrue("Invalid attachment error not as expected", isElementPresent(Locator.tagWithClass("div", "labkey-error").withText(expectedError)));
         }
         catch(NoSuchElementException nse)