My error after trying to update:

mysql error: [1054: Unknown column 'Blocks.btCachedBlockRecord' in 'field list'] in EXECUTE("select CollectionVersionBlocks.isOriginal, Blocks.btCachedBlockRecord, BlockTypes.pkgID, CollectionVersionBlocks.cbOverrideAreaPermissions, CollectionVersionBlocks.cbDisplayOrder, Blocks.bIsActive, Blocks.bID, Blocks.btID, bName, bDateAdded, bDateModified, bFilename, btHandle, Blocks.uID from CollectionVersionBlocks inner join Blocks on (CollectionVersionBlocks.bID = Blocks.bID) inner join BlockTypes on (Blocks.btID = BlockTypes.btID) where CollectionVersionBlocks.arHandle = 'Main' and CollectionVersionBlocks.cID = '1' and (CollectionVersionBlocks.cvID = '266' or CollectionVersionBlocks.cbIncludeAll=1) and CollectionVersionBlocks.bID = '735'")

I did notice the version was wrong and I did get a warning! I guess I should have stopped there!

My SQL backup didn't work! Probably because the version was the same as the last one and it overwrote my files ... just guessing! I was able to restore from the server backups so I'm okay. But this all needs to be fixed before I will try again. :-)

That looks like the updater did not complete or was not run. The missing column is added to the table in 5.6.0+ for the new cache mechanism.

I got a broken site after updating too. Had to reload it and import my DB backup. Will wait a while before trying again, or upgrade manually.

I attempted to restore from my c5 backup, site still isn't working. HELP!

I know this is almost a year later, but...
I'm getting this same exact issue, running 5.6.2.1.

The error is almost exactly the same (but no update folder)

Fatal error: Call to a member function overrideCollectionPermissions() on a non-object in /home/mydomain/subdomains/dev/xyzsitename/concrete/core/models/permission/assignments/area.php on line 33

I happens on the home page. However, I'm able to log in and while logged in as Admin, the problem is gone. If I log out, it returns.

It's on a new site that's in just being put together, so I could reinstall if necessary, but a cause and fix would be easier (and more importantly better for others who run into this).

it could be an issue with your theme

https://www.concrete5.org/community/forums/themes/global-area-not-be...

in your .html if you see the global areas should look like this

$a = new GlobalArea('NAME');
$a->display();

not

$a = new GlobalArea('NAME');
$a->display($c);

*Im just referencing others who have had this issue (best of luck)