diff -r 76c0c0a524c9 -r cecfd6bb4593 svghmi/svghmi.py
--- a/svghmi/svghmi.py	Mon Feb 22 10:08:36 2021 +0100
+++ b/svghmi/svghmi.py	Mon Feb 22 10:09:57 2021 +0100
@@ -726,13 +726,16 @@
                 else:
                     self.GetCTRoot().logger.write_error(_("PO file misplaced: %s is not in %s\n") % (POFile,project_path))
             else:
-                self.GetCTRoot().logger.write_error(_("PO file do not exist: %s\n") % POFile)
+                self.GetCTRoot().logger.write_error(_("PO file does not exist: %s\n") % POFile)
         dialog.Destroy()
 
     def _OpenPOT(self):
         """ Start POEdit with untouched empty catalog """
         POFile = self._getPOTpath()
-        self._StartPOEdit(POFile)
+        if os.path.isfile(POFile):
+            self._StartPOEdit(POFile)
+        else:
+            self.GetCTRoot().logger.write_error(_("POT file does not exist, add translatable text (label starting with '_') in Inkscape first\n"))
 
     def CTNGlobalInstances(self):
         # view_name = self.BaseParams.getName()
@@ -740,3 +743,5 @@
         # TODO : move to library level for multiple hmi
         return [(name, iec_type, "") for name, iec_type in SPECIAL_NODES]
 
+    def GetIconName(self):
+        return "SVGHMI"