Site broke after 5.5.2.1 upgrade

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Hi.

I upgraded our development site to C5 version 5.5.2.1. However, now I cannot log in, and im seeing this message on the login page:

Fatal error: Call to undefined method ADODB_mysql::querycache() in [snipped]/blocks/autonav/controller.php on line 610

Seems to be a problem with autonav... any pointer anyone?

Thanks!

 
Job replied on at Permalink Reply
Job
You've snipped off the URL too early. Was that controller.php an override or was the URL /concrete/blocks/autonav/.....

If its overridden, you'll have to look through the code to try fix the custom edits that have broken. If its not overridden I would look at your upgrade and ensure you've done it properly.
sorcini replied on at Permalink Reply
Thanks. The bit I snipped was just the path to the servable site root on the server. SO you'd recommend a full re-install?