diff -u b/src/Form/JobForm.php b/src/Form/JobForm.php
--- b/src/Form/JobForm.php
+++ b/src/Form/JobForm.php
@@ -422,13 +422,13 @@
     $translator = $job->getTranslator();
     // Check translator availability.
     if (!empty($translator)) {
-      $result = $translator->isAvailable();
-      if (!($result->getSuccess())) {
-       // $result = new TMGMTResponse(FALSE, t('@translator is not available. Make sure it is properly !configured.'), array('@translator' => $translator->label(), '!configured' => $translator->link(t('configured'))));
-        $form_state->setErrorByName('translator', $result->getMessage());
+      $available_result = $translator->isAvailable();
+      $translatable_result = $translator->canTranslate($job);
+      if (!($available_result->getSuccess())) {
+        $form_state->setErrorByName('translator', $available_result->getMessage());
       }
-      elseif (!$translator->canTranslate($job)->getSuccess()) {
-        $form_state->setErrorByName('translator', $translator->canTranslate($job)->getMessage());
+      elseif (!($translatable_result->getSuccess())) {
+        $form_state->setErrorByName('translator', $translatable_result->getMessage());
       }
     }
   }
diff -u b/src/TMGMTResponse.php b/src/TMGMTResponse.php
--- b/src/TMGMTResponse.php
+++ b/src/TMGMTResponse.php
@@ -40,14 +40,11 @@
    *   Response either TRUE or FALSE.
    * @param string $message
    *    Message about the error.
-   * @param array $args
-   *    Associative array of dynamic data that will be inserted into $message.
    */
-  public function __construct($success, $message = "", $args = array()) {
+  public function __construct($success, $message = "") {
     $this->success = $success;
     if (!$success) {
       $this->message = $message;
-      $this->args = $args;
     }
   }
 
@@ -55,7 +52,7 @@
    * Returns the object message.
    */
   public function getMessage() {
-    $argumented_message = t($this->message, $this->args);
+    $argumented_message = t($this->message);
     return $argumented_message;
   }
 
diff -u b/src/TranslatorPluginBase.php b/src/TranslatorPluginBase.php
--- b/src/TranslatorPluginBase.php
+++ b/src/TranslatorPluginBase.php
@@ -54,7 +54,16 @@
       // one of the supported languages.
       return new TMGMTResponse(TRUE);
     }
-    return new TMGMTResponse(FALSE, t('@translator can not translate because is not available', array('@translator' => $translator->label())));
+    if ($job->getTranslator()) {
+      return new TMGMTResponse(FALSE, t('@translator can not translate from @source to @target.', array(
+        '@translator' => $job->getTranslator()->label(),
+        '@source' => $job->getSourceLanguage()->getName(),
+        '@target' => $job->getTargetLanguage()->getName()
+      )));
+    }
+    else {
+      return new TMGMTResponse(FALSE, t('@translator can not translate.'));
+    }
   }
 
   /**