Payment Information Page - Fatal Error

Alright I got my zen store set up without any flaws until I got to the "Step 2 of 3 - Payment Information" page when checking out. Im getting a fatal error seen here:

I toyed with disabling order total modules under admin, and i lose the fatal error if I disable all of the order total modules. Enabling any one of them brings back the errors. :frusty:

Any ideas on how to fix this?

I thought perhaps it was the template im using but I get the same error with all templates. The only payment module I have on currently is credit card. Im using zen cart v1.3.7, just let me know if you need any other information.

Thanks in advance

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