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PRO plugin causes variation swatches to break (403 errors when >30 variations)

Indrek Varik

SYSTEM: „An account is already registered with your email address. Please login.”
ME: “I already entered all details and license key before – please don’t make users retype everything after login.”

Hello,
We’re using Variation Swatches for WooCommerce (Free + Pro, v2.2.0). We discovered a problem that occurs only when the PRO version is active:

  • If a variable product has more than ~30 variations, the variation swatches stop working.

  • A spinning loader appears and swatches do not respond.

  • In browser console, we see 403 errors for AJAX calls to /wp-json/woo-variations-swatches/***.

  • When we disable PRO, everything works again immediately, with no 403 errors.

We have tested this multiple times. No caching, no firewall blocks. Issue starts exactly when PRO is activated.

For now, we’ve disabled PRO and the frontend is working fine.

Please advise how to fix this or whether PRO has known limits.

Thank you!Swatces errors cause PRO - varitaions freeze.jpgSwatces errors cause PRO.jpg

Hakik Zaman

Hi Indrek,

Thanks for reaching out to us.

Your server is not responding when our plugin is trying to call an API to get variations data.

Our plugin calls an API when a product has 30 or more than 30 variations.

This mechanism is added to the Pro version. So, you get these errors.

To know more about 403, please check this link.

Please contact your hosting support and ask if they have any findings regarding this.

Hope to hear from you soon.

Thank You