John Havlik

Usually, what is going on here is WooCommerce uses a page (instance of the page post type) to handle the products archive. By default, Breadcrumb NavXT links to the post type archive if the post type has an archive. However, there isn’t a way to automatically determine the “root” page e.g. what WooCommerce is using. So, you will need to set the root page yourself in the Breadcrumb NavXT settings. Rather than paraphrase and make an error, I’m going to point you to the following article, specifically the “What Works” section, Breadcrumb NavXT and WooCommerce Compatibility Tips.

If you are using Breadcrumb NavXT 6.4, the best way to do this is to write an action for the bcn_after_fill hook (same API as bcn_before_fill, it just runs after the breadcrumbs array has been populated). You will want to traverse the breadcrumbs array looking for the one representing “Archive” (can check the title by calling get_title() on the bcn_breadcrumb object), and then use the set_linked(true) method (a member function of the bcn_breadcrumb object) on the bcn_breadcrumb object.

What mjsaei suggested doesn’t actually make sense as that is not the correct per Schema.org’s documentation for BreadcrumbList. Yoast moved to using just JSON-LD since Google couldn’t seem to figure out how to parse things correctly using the microdata and RDFa formats. If you’re using Yoast SEO already, you could use https://github.com/mtekk/Breadcrumb-NavXT-Schema to have the Breadcrumb NavXT generated breadcrumb trail show up in the JSON-LD listing that Yoast SEO generates. If you do that, I highly recommend removing the BreadcrumbList markup from the settings and call to the breadcrumb trail (do not want Google to see two instances).

That sounds like an issue with the server not being able to open the full PHP source file. It could be a momentary glitch on your server, or may be indicative of other issues with the server. If you have access to the server logs, they may be worth looking into.

Hi Kevin,

Thanks for providing more detail, I think I know what is going on. While there is an error that gets thrown by part of Breadcrumb NavXT, the cause of the error most likely is not Breadcrumb NavXT. The filter (plugin_action_links) being handled by the function in questions is supposed to pass in an array for the first parameter. However, some other code (likely another plugin) is messing up this first parameter so a string is passed in instead of an array. In the past, this didn’t trigger a PHP error, now it does. I recommend disabling all of the plugins other than Breadcrumb NavXT, then activate them, one-by-one until the error re-appears. Once it re-appears, you’ll know what plugin is causing the issue (and can let that plugin author know they have a bug that needs to be fixed).

What version of PHP7 are you running? Also, can you elaborate as to how is the plugin broken (e.g. what error messages are you seeing, or what isn’t working)? I develop against PHP 7.3, as far as I know, it should not have issue with PHP7.

The markup generated by Breadcrumb NavXT complies with Schema.org BreadcrumbList and the examples produced by Schema.org. Google has issues with the current item having Schema.org markup. This is a long standing issue that they don’t seem to care to fix (the tool to provide more data on what triggered the issue). Worse yet, sometimes it does not have an issue with it.

From what I’ve seen, there seem to be two things that can trigger it. The first is other schema.org markup that is in a different format (e.g. microdata vs RDFa). The other, is some other markup (open graph seems to trigger it) or other things done in your page that are annoying Google but doesn’t trigger until hitting the breadcrumb. Beyond this, I can’t really help as Breadcrumb NavXT is, to my knowledge, doing what it is supposed to do.