https://www.icyphoenix.com/viewtopic.php?f=30&t=248&p=3281#p3281
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moreteavicar
Sun 24 Sep, 2006 20:40

Re: Blank Pages After Upgrading Or Only Header? Try This...
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I have come across a totally different problem that causes the site to go blank after an upgrade. Its after assigning 666 permissions to includes/def_tree.php. If I replace it with a clean file, and keep it at 644, everything is fine. So perhaps something not quite right with the categories hierarchy install, but being such a huge mod... 

Further to that, I have noticed that if I remove this from the top of def_tree.php:
<!-- template .//includes/cache_tpls/def_tree_def.tpl start -->
and remove this from the bottom of def_tree.php:
<!-- template .//includes/cache_tpls/def_tree_def.tpl end -->

keeping the generated contents within, I can view my site again (but keeping def_tree.php at 644 thereafter to avoid the template lines being generated!)

I have also noticed that in the default XS install, functions_categories_hierarchy.php has: //define('CACHE_WORDS', true);
So theres not even any point setting it to 666 (as instructed in XS install note) unless it was changed.


