Upgraded to Perch 3 - Blog Categories not working

Hi Drew, it is 'blog'

•   Perch: 3.0.4
•   Production mode: Production (100)
•   Installed apps: content (3.0.4), assets (3.0.4), categories (3.0.4), perch_blog (5.5.1), perch_forms (1.9), perch_gallery (2.8.9), perch_members (1.6.1)
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Hosting settings
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•   Zend: 2.6.0
•   OS: WINNT
•   SAPI: apache2handler
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OK, we solved one problem. When adding a new blog post, I can now select a category, however I cannot get the categories to display in the front end.

I am using this code on /blog/index.php

<?php perch_blog_categories(); ?>

Debug Message - Perch 3.0.4
[1]SELECT * FROM perch2_pages WHERE pagePath='/blog/index.php' LIMIT 1
[7]SELECT regionKey, regionHTML FROM perch2_content_regions WHERE regionPage='/blog/index.php' OR regionPage='*' ORDER BY regionPage DESC
[0]SELECT DISTINCT idx.itemID FROM perch2_blog_index idx JOIN perch2_blog_posts main ON idx.itemID=main.postID AND idx.itemKey='postID' AND ((idx.indexKey='_category' AND idx.indexValue LIKE 'blog/weight-loss/%' OR idx.indexKey='_category' AND idx.indexValue='blog/weight-loss/'))
[7]SELECT SQL_CALC_FOUND_ROWS DISTINCT tbl.* FROM ( SELECT idx.itemID, main.*, idx2.indexValue as sortval FROM perch2_blog_index idx JOIN perch2_blog_posts main ON idx.itemID=main.postID AND idx.itemKey='postID' JOIN perch2_blog_index idx2 ON idx.itemID=idx2.itemID AND idx.itemKey='postID' AND idx2.indexKey='postDateTime' WHERE 1=1 AND idx.itemID=idx2.itemID AND idx.itemKey=idx2.itemKey GROUP BY idx.itemID, idx2.indexValue, postID ) as tbl WHERE (postStatus='Published' AND postDateTime<='2017-05-17 14:35:00' ) GROUP BY itemID, sortval ORDER BY sortval DESC LIMIT 0, 7
[1]SELECT FOUND_ROWS() AS `count`
[33]SELECT DISTINCT settingID, settingValue FROM perch2_settings WHERE userID=0
[7]Using template: /templates/blog/list_in_blog.html
[1]SELECT * FROM perch2_blog_sections ORDER BY sectionTitle ASC
[1]SELECT * FROM perch2_blogs ORDER BY blogTitle ASC
Fetching from cache: perch_blog_date_archive_monthsf2e7d49784704a5b24102a78c349d57c
[5]SELECT year(postDateTime) as year, COUNT(*) AS year_qty FROM perch2_blog_posts WHERE postStatus='Published' AND postDateTime<='2017-05-17 14:35:00' GROUP BY year ORDER BY year DESC
Using template: /templates/blog/months_month_link.html
[3]SELECT DISTINCT year(postDateTime) AS year, month(postDateTime) AS month, CONCAT(year(postDateTime),"-",month(postDateTime),"-01") AS postDateTime, COUNT(*) AS month_qty FROM perch2_blog_posts p WHERE year(postDateTime) = '2017' AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY year, month, postDateTime ORDER BY month DESC
[7]SELECT DISTINCT year(postDateTime) AS year, month(postDateTime) AS month, CONCAT(year(postDateTime),"-",month(postDateTime),"-01") AS postDateTime, COUNT(*) AS month_qty FROM perch2_blog_posts p WHERE year(postDateTime) = '2016' AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY year, month, postDateTime ORDER BY month DESC
[11]SELECT DISTINCT year(postDateTime) AS year, month(postDateTime) AS month, CONCAT(year(postDateTime),"-",month(postDateTime),"-01") AS postDateTime, COUNT(*) AS month_qty FROM perch2_blog_posts p WHERE year(postDateTime) = '2015' AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY year, month, postDateTime ORDER BY month DESC
[11]SELECT DISTINCT year(postDateTime) AS year, month(postDateTime) AS month, CONCAT(year(postDateTime),"-",month(postDateTime),"-01") AS postDateTime, COUNT(*) AS month_qty FROM perch2_blog_posts p WHERE year(postDateTime) = '2014' AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY year, month, postDateTime ORDER BY month DESC
[3]SELECT DISTINCT year(postDateTime) AS year, month(postDateTime) AS month, CONCAT(year(postDateTime),"-",month(postDateTime),"-01") AS postDateTime, COUNT(*) AS month_qty FROM perch2_blog_posts p WHERE year(postDateTime) = '2013' AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY year, month, postDateTime ORDER BY month DESC
[5]Using template: /templates/blog/months_year_link.html
Caching: perch_blog_date_archive_monthsf2e7d49784704a5b24102a78c349d57c
Fetching from cache: perch_blog_categories589c7a634eb12f2ec225cfedc7dc78ae
Cache file not found: perch_blog_categories589c7a634eb12f2ec225cfedc7dc78ae
[1]SELECT setID FROM perch2_category_sets WHERE setSlug='blog' LIMIT 1
[nil]SELECT main.* , COALESCE(cc.countValue,0) AS `count.blog.post` FROM perch2_categories main LEFT OUTER JOIN perch2_category_counts cc ON cc.catID=main.catID WHERE 1=1 AND setID=1 AND (cc.countType='blog.post' OR cc.countType IS NULL) AND cc.countValue > 0 ORDER BY catTreePosition ASC
Using template: /templates/blog/category_link.html
Fetching from cache: perch_blog_tagse0b2ff59ed95ac2a35516ee8013c2dd2
[109]SELECT t.tagTitle, t.tagSlug, COUNT(p2t.postID) AS qty FROM perch2_blog_tags t, perch2_blog_posts_to_tags p2t, perch2_blog_posts p WHERE p2t.tagID=t.tagID AND p2t.postID=p.postID AND p.postStatus='Published' AND p.postDateTime<='2017-05-17 14:35:00' GROUP BY t.tagID ORDER BY t.tagTitle ASC
[109]Using template: /templates/blog/tag_link.html
Caching: perch_blog_tagse0b2ff59ed95ac2a35516ee8013c2dd2

When I add a post to the weight loss category, it dissapers from blog/index.php (which is supposed to happen).

The category listings down the right hand side then show as () () () and when I click on them, it goes to https://4everphotos.net/blog/archive.php?cat=

However, I just noticed that when I went into Perch there and tried to edit the 'Blog' Category Set, that the set template and category template are both missing? What files are missing so I can upload them again?