Report the payment error:

So who declined your payment? You attempted a payment to a TMX merchant (or to your own TMX account). TMX thefore cannot reject or decline your payment since we are the receiver.

Support Desk can report this to the gateway for their feedback:

*All fields are required!

Name
Last name
Email
Email Again
Have you successfully paid through the TMX system before?
You are trying to pay for?
What is the TMX Seller website?
Payment Type
Browser Type
If "Other Browser type" was selected please type:
Type or copy the ACTUAL error message you got (look at the gateway page for the error message and copy paste this in here)

Please Note: Reports that are incomplete or senseless, will be ignored!

Thank you!