Testing for Theme and Plugin Conflicts
How to rule out theme and plugin conflicts if things aren't working right.
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- Common Problems
Common Problems
How to solve common problems with WP Simple Pay
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Caching
How to detect and troubleshooting site caching issues. -
Plugin .zip File Automatically Un-zips Upon Download
Steps to take if your browser automatically expands zip files after download -
rest_cookie_invalid_nonce – Cookie nonce is invalid/Cookie check failed
Various steps you can take when you see errors related to cookie nonce tokens -
Coupon security check failed
Troubleshooting the 'Coupon security check failed' error message -
406/403 Not Acceptable – ModSecurity
Troubleshooting step related to various mod_security errors -
Sorry, you have made too many requests. Please try again later
Various steps you can take when you see 'Sorry, you have made too many requests' -
rest_no_route – No route was found matching the URL and request method.
Troubleshooting steps if you are seeing the 'rest_no_route' error -
Defender Pro Settings
A setting in Defender Pro can cause issues with Google Pay/Apple Pay -
Wordfence Security Settings
A setting in Wordfence Security can cause issues with WP Simple Pay -
Email receipts and/or notifications are not being sent
Troubleshooting steps to take if your email receipts and/or notifications are not being sent -
Switching Stripe Accounts
Important information if you need to connect WP Simple Pay to a different Stripe account -
Anti-Spam by Clean Talk Settings
For some users Anti-Spam by Clean Talk will block payment forms and display an error -
Schema App Structured Data Settings
We found a setting in the Schema App that interferes with our forms loading properly -
Make Paths Relative plugin
The Make Paths Relative plugin is not compatible with WP Simple Pay -
Siteground Optimizer Settings
How to configure the Siteground Optimizer to work best with WP Simple Pay