5.6.3.3 JSON errors

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I updated to 5.6.3.3. now I get the error below on the home page. Many of the other pages work fine. I have read similar threads, but the fixes described in those threads did not solve this problem. Any suggestions appreciated.

Warning: require_once(/home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/models/json.php) [function.require-once]: failed to open stream: No such file or directory in /home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/core/libraries/loader.php on line 48

Fatal error: require_once() [function.require]: Failed opening required '/home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/models/json.php' (include_path='/home3/jlackman/public_html/outshinedesign.com/libraries/3rdparty:/home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/libraries/3rdparty:.:/opt/php53/lib/php') in /home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/core/libraries/loader.php on line 48

 
jlackman replied on at Permalink Reply
I also verified that the JSON.php file does exist in the outshinedesign.com/updates/concrete5.6.3.3/concrete/models/ path. It's permissions are also set to 777.

JL
JohntheFish replied on at Permalink Reply
JohntheFish
json.php is a helper, not a model.
jlackman replied on at Permalink Reply
I verified it's existence in that location based on the "fatal" error. It says;

Failed opening required '/home3/jlackman/public_html/outshinedesign.com/updates/concrete5.6.3.3/concrete/models/json.php

So, why would it even be looking for it in that location?
JohntheFish replied on at Permalink Reply
JohntheFish
It shouldn't be looking in that location.

Is there an addon or custom block on that page? Any custom php?
jlackman replied on at Permalink Reply
My issue is resolved. I had to download the \core files from C5, then uploaded them to my site. Then, I went and looked again and the JSON was capitalized. So I changed that to lower case and now it works.