diff --git a/src/Plugin/tmgmt/Translator/MyGengoTranslator.php b/src/Plugin/tmgmt/Translator/MyGengoTranslator.php
index 11c81fe..109dadb 100644
--- a/src/Plugin/tmgmt/Translator/MyGengoTranslator.php
+++ b/src/Plugin/tmgmt/Translator/MyGengoTranslator.php
@@ -588,11 +588,23 @@ class MyGengoTranslator extends TranslatorPluginBase implements ContainerFactory
         }
       }
 
+      // Add a message to the job item.
+      $count_remotes = count($remotes);
       if ($count_aborted > 1) {
-        $job_item->addMessage('@count_aborted jobs out of @count_total have been aborted at Gengo.', array('@count_aborted' => $count_aborted, '@count_total' => count($remotes)));
+        if ($count_aborted != $count_remotes) {
+          $job_item->addMessage('@count_aborted jobs out of @count_total have been aborted at Gengo. Gengo does not allow aborting jobs that are already in translation.', ['@count_aborted' => $count_aborted, '@count_total' => count($remotes)], 'warning');
+        }
+        else {
+          $job_item->addMessage('@count_aborted jobs out of @count_total have been aborted at Gengo.', ['@count_aborted' => $count_aborted, '@count_total' => count($remotes)]);
+        }
       }
       else {
-        $job_item->addMessage('@count_aborted job out of @count_total has been aborted at Gengo.', array('@count_aborted' => $count_aborted, '@count_total' => count($remotes)));
+        if ($count_aborted != $count_remotes) {
+          $job_item->addMessage('@count_aborted job out of @count_total has been aborted at Gengo. Gengo does not allow aborting jobs that are already in translation.', ['@count_aborted' => $count_aborted, '@count_total' => count($remotes)], 'warning');
+        }
+        else {
+          $job_item->addMessage('@count_aborted job out of @count_total has been aborted at Gengo.', ['@count_aborted' => $count_aborted, '@count_total' => count($remotes)]);
+        }
       }
 
       // Abort the job item even if Gengo job(s) couldn't be aborted.