XF 2.2 Error upgrading to 2.3.0

[eaststandboy]

Hello

I just pressed the button to start the upgrade, it got to https://yellowsforum.co.uk/install/oc-upgrader.php and now has

This page isn’t working​

yellowsforum.co.uk is currently unable to handle this request.


HTTP ERROR 500

 

[Paul B]

Check the server error log for the cause of the 500 error.

 

[eaststandboy]

Hey thanks forthe reply.

Someone took a look and said:

I can see there is an error with Redis cache paths and files missing with the upgrade.

 

[eaststandboy]

.My install folder. does that look to not have the correct files?

 

[Paul B]

That is correct.

Disable any caching in config.php and try again.

 

[eaststandboy]

Hello

My host disabled the caching and it has upgraded.

What could have happened?