Update README.md

README.md

@@ -4,6 +4,14 @@ Q: How do I get latest hellen-one?
 
 A: ``.github/workflows/update-hellen-one-reference.yaml`` is set to pull latest hellen daily!
 
+Q: I get error 'Cannot stat xx-yy__zz.kicad_pcb: No such file' but files are right there?
+
+A: please do not use dashes and underscore symbols in file names.
+
+Q: Automation says that aux_axis_origin is missing?
+
+A: aux_axis_origin is required, please place it in the appropriate corner.
+
 Q: I get "Cannot parse position" with negative value?
 
 A: Please move origin point into left-bottom corner of the board since we cannot parse negative coordinates at the moment. See https://github.com/andreika-git/hellen-one/issues/349