Checkout throws an error – There has been a critical error on this website.

[ryanmallory]

Customers visiting https://mydogphoto.com can add photos to the cart.
When they go to check out, the following error is given, without them ever being taken to paypal:

There has been a critical error on this website.
Learn more about troubleshooting WordPress.

Wordpress Ver 6.1.1
WP Photo Seller Ver 2.5.7
DIVI Theme with current ver

Checked our PDT Identity Token with paypal (still the same)
Shut off the other plugins and still failed (we use very few and all WP certified).

At our wits end trying to make it work again, and find nothing different between now and how it worked yesterday.

[ryanmallory]

Log file shows this for each attempt:

[LOG DATE: 03/08/2023 12:41:57 pm – Server time zone UTC]
[WPSSession.php – line 170] Setcookie for session failed!

[ryanmallory]

PHP Ver 8.1

[ryanmallory]

Contacted my hosting company and they said I the WP Photo Seller plugin is throwing errors and to contact you.

Anthony N 01:20 PM
This issue appears to be caused by a plugin.
wp-photo-seller

The plugin is throwing errors. Here’s a copy of the error_log

[08-Mar-2023 21:05:49 UTC] PHP Warning: Cannot modify header information – headers already sent in /home/dogshow/public_html/wp-content/plugins/wp-photo-seller/models/WPSSession.php on line 167

Please contact the plugin provider so they can further assist you in debugging the error.

[admin]

Just an update. This one turned out to be a caching related issue for now.

[ryanmallory]

Just following up to say that the team from Tips and Tricks HQ was incredibly knowledgeable and a great help to fixing this issue. Excellent software we have used for years!

[Author]

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