diff -r ee0704cc6dc8 -r 6c39d718e8cb ProjectController.py
--- a/ProjectController.py	Tue Jan 05 01:23:45 2021 +0100
+++ b/ProjectController.py	Wed Jan 13 10:28:09 2021 +0100
@@ -159,6 +159,7 @@
                                                          no_stdout=True,
                                                          no_stderr=True).spin()
         except Exception:
+            self.logger.write_error(_("Couldn't launch IEC compiler to determine compatible options.\n"))
             return buildopt
 
         for opt in options: