diff -u b/src/Entity/PardotSubmission.php b/src/Entity/PardotSubmission.php
--- b/src/Entity/PardotSubmission.php
+++ b/src/Entity/PardotSubmission.php
@@ -57,8 +57,8 @@
   /**
    * {@inheritdoc}
    */
-  public function getStatus($status) {
-    return $entity->status->value;
+  public function getStatus() {
+    return $this->status->value;
   }
 
   /**
diff -u b/src/Entity/PardotSubmissionInterface.php b/src/Entity/PardotSubmissionInterface.php
--- b/src/Entity/PardotSubmissionInterface.php
+++ b/src/Entity/PardotSubmissionInterface.php
@@ -35,7 +35,7 @@
    * Provides the status of a pardot submission entity.
    *
    * @return string
-   *   The status string.
+   *   The pardot submission status.
    */
   public function getStatus();
 
diff -u b/src/PardotHandler.php b/src/PardotHandler.php
--- b/src/PardotHandler.php
+++ b/src/PardotHandler.php
@@ -127,7 +127,7 @@
   }
 
   /**
-   * Get response data.
+   * Process the Pardot response data and updates the pardot submission entity.
    *
    * @param \Psr\Http\Message\ResponseInterface $response
    *   The response returned by the remote server.
@@ -142,19 +142,43 @@
     PardotSubmissionInterface $pardot_submission
     ) {
     $status_code = $response->getStatusCode();
+    $log = $response->getBody()->getContents();
+    $status = self::PARDOT_PROCESSED;
 
-    // Log error message if status code is not 2xx.
-    if ($status_code < 200 || $status_code >= 300) {
-      $pardot_submission->addLog('An unexpected error occured while submitting data to Pardot');
-      $pardot_submission->setStatus(self::PARDOT_ERROR);
-      $pardot_submission->save();
+    // The pardot response would include text `field is required` if a form
+    // validation error happens at Pardot.
+    if (strpos($log, 'field is required') !== FALSE) {
+      $log = 'Could not post data to pardot, If a field is required on your
+      pardot form handler, make the field required on the webform';
+      $status = self::PARDOT_ERROR;
+    }
+
+    // Log error message depending on the status code.
+    switch ($status_code) {
+      // 5xx status code would mean an error at Pardot end.
+      case $status_code < 510 && $status_code >= 500:
+        $log = 'Internal Server Error at Pardot';
+        $status = self::PARDOT_ERROR;
+        break;
 
-      return $pardot_submission;
+      // If status code is other than 500 or 200 log a generic error message
+      // with the status code.
+      case $status_code < 200 || $status_code >= 300:
+        $log = 'An unexpected error occured while submitting data to Pardot';
+        $status = self::PARDOT_ERROR;
+        break;
     }
 
-    $pardot_submission->addLog($response->getBody()->getContents());
-    $pardot_submission->setStatus(self::PARDOT_PROCESSED);
+    // Append status code along with the log message.
+    $log = $status_code . ': ' . $log;
+
+    // Make sure that the log only contains 500 characters.
+    $log = substr($log, 0, 500);
+
+    $pardot_submission->addLog($log);
+    $pardot_submission->setStatus($status);
     $pardot_submission->save();
+
     return $pardot_submission;
   }
 
diff -u b/tests/src/Unit/PardotHandlerTest.php b/tests/src/Unit/PardotHandlerTest.php
--- b/tests/src/Unit/PardotHandlerTest.php
+++ b/tests/src/Unit/PardotHandlerTest.php
@@ -118,9 +118,9 @@
     $pardot_submission->getWebformSubmission()
       ->willReturn($this->mockWebformSubmission());
 
-    $pardot_submission->addLog("Succesfull")
+    $pardot_submission->addLog("200: Succesfull")
       ->willReturn($this->mockPardotSubmissionEntity());
-    $pardot_submission->addLog("An unexpected error occured while submitting data to Pardot")
+    $pardot_submission->addLog("503: Internal Server Error at Pardot")
       ->willReturn($this->mockPardotSubmissionEntity());
 
     $pardot_submission->setStatus("processed")