Hi Gonzalo,
Thank you for reaching out to us. Please kindly do a plugin compatibility check by doing these steps to identify the error :
=> Deactivate all of your additional plugins except WooCommerce and WooCommerce Variation Swatches Plugin.
=> See if the problem persists. If the issue is resolved, you can tell which plugin might be the culprit of this error by activating your additional plugins one by one.
If the plugin conflict check doesn’t help, please record me reproducing your issue using a tool like this? https://www.useloom.com It helps me to figure out the issue quickly and squash it immediately.
Thank you
PROBLEM WITH TH PLUGING
Gonzalo Silva
CAN’T EDIT MY MARKET PAGE IF THE PLUGIN IS ACTIVATED