I am having a few issues upgrading a wordpress installation. I am moving from 4.5.3 to the latest, 4.6.1 - but every time I try I get an error. I have tried both the auto-update and doing it manually but each time the database appears to become corrupted.

When I did a manual update (copying over the files), I went to login and had a message to update my database. I clicked the ok button and then got the following error.

Can anyone suggest a fix for this?

enter image description here

  • Have you clicked 'continue'?
    – FaCE
    Commented Sep 22, 2016 at 14:27
  • Is this the codex guide you followed to update manually: <a href="codex.wordpress.org/… Update</a>
    – Tara
    Commented Sep 22, 2016 at 19:55
  • Yep that's the guide I followed. I did read elsewhere that it might be due to plugins so made sure they were disabled during the upgrade. If I click continue I am taken to the dashboard, which appears fine and seems to work - but I am missing some data (for example my menus are gone and some posts too).
    – Kev
    Commented Sep 23, 2016 at 7:22


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