I haven't used FIRECalc in maybe 6 months, but today I'm getting a graph result that is really wacky. It starts with (in the image):
Errors
1) Error loading file: -
2) https://www.firecalc.com/config.php?PortValue=
3) Error loading file: -
4) https://www.firecalc.com/config.php?PortValue=...