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MySQL error during upgrade from 6.8.8 to 6.9.3

Started by on Nov 10, 2017 – Contents updated: Nov 21, 2017

Nov 10, 2017 18:24    

I have been unable to upgrade (either auto or manual) from 6.8.8. to 6.9.3, due to a MySQL syntax error. Here's a screen shot of the error message:

I had to restore the database and reinstall 6.8.8. to undo the failed upgrade.

My host server uses PHP 5.6.30 and MySQL 5.1.73.

How can I fix this error?

Nov 12, 2017 15:20

When you show the code of the error it's just an image. If you can copy the code and insert it so the whole code can be scrolled, to see everything, someone may spot a syntax error, as in the example I linked to. Though I have doubts about that as it's code that is part of the blog engine which works fine elsewhere. Still by ruling it out something else may come to light.

Nov 15, 2017 07:00

@michaelz as @amoun said, please copy/paste the whole error message here, because it references a part of the code that we can't see in your screenshot.


Nov 21, 2017 20:39

To generate the error message again, I had to wait until I could try another upgrade attempt. I just did another standard (manual) upgrade, but this time it succeeded. I'm not sure why it worked this time and not earlier, as I followed the exact same procedure (verifying the database through the install script, deleting all old non-custom b2evo files, etc.) but in any case, the issue is resolved.

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