Question:


Answer:
This error means that there is an issue with the credentials set up in the plugin configuration.
Common Solutions:
1. You are using Live credentials and Test Mode is enabled
2. Your API key has changed
  • Please review the documentation found here:
    https://www.collinsharper.com/moneris-mco/
3. You have not set up a Moneris Checkout Profile in your Merchant Resource Center (MRC)
  • Please review the documentation found here:
    https://www.collinsharper.com/moneris-mco/