Hi,

I have set up a test and production Moneris Checkout configuration page.  The Live one appears to work fine, but when the plugin is set to test it throws an error:

• Failed to preload order:
  • Field: Credentials
  • Message: Invalid data

I just want to make sure the plugin is pointing at the proper test gateway.  I have triple checked the test Checkout ID, Store ID and API key.  

Looking for a solution to your problem? Start by writing it here. Chances are someone has experienced it in the past and will help you resolve it.