diff --git a/orchestrator/taste-orchestrator.py b/orchestrator/taste-orchestrator.py
index db44a48a2f2b3479406d6abe96799a5587777805..241a2b2e548e994f3d934ba637e616643d7f98d9 100644
--- a/orchestrator/taste-orchestrator.py
+++ b/orchestrator/taste-orchestrator.py
@@ -1979,6 +1979,15 @@ def UnzipAdaCode(adaSubsystems, AdaIncludePath):
                     if 0 != len([c for c in name if c.isupper()]):
                         # panic("Ada user code must be in lower case filenames! (%s)" % name)
                         os.rename(root + os.sep + name, root + os.sep + name.lower())
+                if name == "system_structure.pr":
+                    g_stageLog.error(
+                            "\n=====================================================================\n"
+                            "OpenGEODE-based development has dramatically changed (for the better)\n"
+                            "with the introduction of Kazoo in TASTE 10. Please upgrade your project\n"
+                            "following the guide here:\n"
+                            "    http://taste.tuxfamily.org/wiki/index.php?title=Port_a_legacy_TASTE_project_to_Kazoo\n"
+                            "=====================================================================\n")
+                    sys.exit(1)
         mysystem("find \"%s\"/ ! -type d -exec chmod -x '{}' ';'" % baseDir)
         mysystem("find \"%s\"/ -exec touch '{}' ';'" % baseDir)
         mysystem("find \"%s\"/ -type f -iname '*.o' -exec rm -f '{}' ';'" % baseDir)