Please deactivate all the third-party plugins and activate the parent theme. Clear cache and check back.
If the problem continues then leave the third party plugins deactivated and provide admin panel login details of the website to check it myself and help you out accordingly.
You asked that your read more changed to add to the quote that’s why I replied.
Therefore to change the read more text you need to install and use the loco translate plugin then by selecting the correct path you can translate the string.
Your path will be Loco Translate >> Plugins >> WooCommerce.
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