Very Confused Multisite

It happened again. This time, I was working in User Meta Pro (which seems to have at least one bug in multisite, that’s another topic). I had rebuilt my site and everything had looked good for one day. I have two blogs, one called “WIN” (main one) and the other called “Test Chapter”. I don’t know how to insert a picture here, so I will describe it. What I see:
My Sites Test Chapter
Network Admin
WIN
WIN

whereas it should be:
My Sites Test Chapter
Network Admin
WIN
Test Chapter

And no matter which “WIN” I press above, I get “Test Chapter” site, not the WIN Site.
Can anyone tell me where to look in the database to see if there are clues there? I re-enabled all my plugins, including one I have written, but I don’t see how anything could create this mess.

I don’t think I was changing anything from the site info at all. I think the problem happened about 9pm. (I was also working with Event Manager plugin setup). Today I installed database backup from 7pm and it behaves the same (wrong). I just looked at wp_blogs and it looks good to me. There are two sites listed, with the same domain, and one pointing to the root, and one to /testchapter/. But the root gives me test chapter content but the root url. When I look at wp_posts it appears to have the correct page data for the main blog, root, but I can’t reach it. When I enter a url with just the domain name, I get the content from testchapter. It is consistent!!! Where else can I look in the database? Anything in options?

I think I have figured it out. I wanted a global array $chapters[] of all of my sites with the chapter name. So, here is my code, in functions.php in a child theme. Note, it was not a function, just inline code. Any time I activated the child theme the craziness began. I need the functionality, because I need to be able to move between the chapters. So, I would appreciate learning the right way to do it. It showed the right stuff on the error_log, but really confused the admin display. The database was fine, when I deleted the code, it is okay again.

global $chapters;
    global $wpdb;
    global $blog_id;
if (function_exists('is_multisite') && is_multisite()) {

        // check if it is a network activation - if so, run the activation function for each blog id

        $old_blog = $wpdb->blogid;
            // Get all blog ids
            $blogids = $wpdb->get_col("SELECT blog_id FROM $wpdb->blogs WHERE spam = '0' AND deleted = '0' AND archived = '0' ");
            foreach ($blogids as $blog_id) {
		$table=$wpdb->base_prefix.$blog_id."_options";
		if($blog_id==1)$table=$wpdb->base_prefix."options";
		$blogname = $wpdb->get_var("SELECT option_value FROM ".$table." WHERE option_name='blogname' ");
		error_log("SELECT option_value FROM ".$table." WHERE option_name='blogname' ");
                error_log("base prefix is ".$wpdb->base_prefix);
		$chapters[$blog_id]=$blogname;
		//  var_dump($blogname,"blogname ".$blog_id);
            }
	    error_log("functions Chapters:".print_r($chapters,true));

        }
    else {
	$chapters[2]="Test Chapter";
	$chapters[1]="North Charleston";
    }