Paypal notification

[muah]

I realize we need to update our zen, it's a lot for small company. In the meantime, PayPal sent us the following and we therefore updated to express checkout. However, does this solve the issue?

Website payments standard integration update.

Effective March 29, 2017 PayPal will be updating Website payments standard so that the checkout process gets better. As a result, your integration will be affected.
We’ve noticed that your integration has been passing either invalid or incorrect data to PayPal from one or more of your payment buttons. To make sure your payments continue to be processed, you’ll need to update your integration as soon as possible.
The benefits you’ll receive with your updated integration:
• PayPal One TouchTM,our fastest, easiest checkout experience enables your shoppers to check out at the click of a button.
• A mobile-optimized checkout experience, so that buying is easy no matter how your customers shop.
• A new, simpler design that is consistent across both desktop and mobile.
What do you need to do?
1. Review the steps that need to be taken to update your integration and FAQs for more information on common integration issues.
2. You can find the additional details in our developer documentation here.
If you have questions or concerns, please contact us on 1-888-221-1161. We’re here to help and make this update as smooth as possible.
Regards,
PayPal
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[mc12345678]

When asking if "this" fixes the issue, what issue is in question?

Unless one of the existing PayPal products is being renamed, PayPal OneTouch has not been integrated into ZC code (yet). But, there certainly are code improvements/compatibilities to be realized by upgrading.

[DrByte]

To continue using PayPal Standard, you will need to make the changes outlined in this post:
PayPal deleting the comma from PayPal Standard in Jan 2017
It's their integration of so-called "One Touch" that's been driving the need for the changes posted there.

Without upgrading your Zen Cart you probably won't get any of the benefits PayPal is talking about related to mobile, whether you use Standard or Express.

[muah]

Thank you very much. I just upgraded to Express. I will update to the latest version sometime this year. I've come to appreciate you folks and your steadfast professionalism.