Quote Originally Posted by Nick1973 View Post
Ok, I have re-installed the module and I am still getting the same error with OPC

I've attached screenshots for a better understanding of what is going on. Hopefully you can view them. I also have a DEBUG file from OPC, but it contains personal details I don't want to publish here. So if that file would be help to you then I'll quite happily PM it to you for DEBUGGING.

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JQUERY is 3.5.1
PHP is 7.4
OPC is on version 2.3.9
Zen Cart is 1.5.7c

I have quite a few carts that are on similar set ups, using bootstrap and OPC so this is now beginning to cause a big problem for me. It is also causing an issue for my clients that are using Square and OPC. So I'd really like to find a solution to the problem I am having with the NEW Square Module and OPC ASAP if any of you are able to help me as I am losing money and so are my clients as a result of this issue with Square. I realise that you all give your time for these kind of developments at no cost to Zen Cart Users and Front End Developers, but this is a serious issue if it won't work with OPC. Not only that, I am still getting people that don't appear to be able to make payments easily even with OPC switched off. Some seem to be getting errors when paying and are switching to Paypal to make payments because they can't process payments using their card. So my thoughts are, something still isn't quite right with this module update. Although the version I had installed previously, might be different to the one I have installed from here:

https://www.zen-cart.com/downloads.php?do=file&id=2345

If it is different then hopefully they won't get anymore errors when paying using the standard cart rather than OPC.
just done a test transaction and it appears to be working fine with the standard checkout. It hangs a little though when you confirm your order.