--- a/OrthancServer/Sources/ServerJobs/ThreadedSetOfInstancesJob.h	Wed Jun 07 10:48:14 2023 +0200
+++ b/OrthancServer/Sources/ServerJobs/ThreadedSetOfInstancesJob.h	Mon Jun 12 18:42:06 2023 +0200
@@ -152,7 +152,15 @@
     virtual bool GetOutput(std::string& output,
                            MimeType& mime,
                            std::string& filename,
-                           const std::string& key) ORTHANC_OVERRIDE;
+                           const std::string& key) ORTHANC_OVERRIDE
+    {
+      return false;
+    }
+
+    virtual bool DeleteOutput(const std::string& key) ORTHANC_OVERRIDE
+    {
+      return false;
+    }
 
     bool IsFailedInstance(const std::string& instance) const;