I keep getting a "Flat Rate" of $99.00 when I test a product in Checkout.
I am not sure what is going on because the measurements are correct etc on the product item.

I have them as follows:

Product Weight: 9
Product Height (cm): 0.01
Product Length (cm): 32.40
Product Width (cm): 22.90

The "includes/language/custom/english.php" file has the appropriate area changed to gms, the ozpost module is selected to gms.

The ozpost module is as follows:



What can you suggest please?

Thank-you in advance
Kind Regards Casey