surfaceMeshConvert: Reinstated missing error messages

applications/utilities/surface/surfaceMeshConvert/surfaceMeshConvert.C

@@ -197,6 +197,7 @@ int main(int argc, char *argv[])
         if (!csDictIoPtr->headerOk())
         {
             FatalErrorInFunction
+                << "Cannot open coordinateSystems file\n    "
                 << csDictIoPtr->objectPath() << nl
                 << exit(FatalError);
         }
@@ -240,6 +241,7 @@ int main(int argc, char *argv[])
         if (fromCsys.valid() && toCsys.valid())
         {
             FatalErrorInFunction
+                << "Only allowed  '-from' or '-to' option at the moment."
                 << exit(FatalError);
         }
     }