Major upgrade issues (5.7.5.13 to 8.x)

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I have been running version v.2.1.4. of Anitya on v5.7.5.13 of concrete5.
I'm trying to update both concrete5 and Anitya.

First, I tried updating Anitya to v.2.2.01. The update seemed OK but when I tried to view the site I got an error:
Class 'Concrete\Core\Package\ContentSwapper' not found

Then I tried the concrete5 update first. All the content of the 'Main' area on my website are now missing. When accessing Dashboard, I get an error:
Call to a member function getStyleValueList() on null

Can you explain how I update Anitya and concrete5?

Type: Ticket
Status: Archived
simonchilton
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simonchilton replied on at Permalink Reply
simonchilton
I guess you're not providing support for your products any more?
ConcreteCMS replied on at Permalink Reply
ConcreteCMS
Attention: Since there has been no activity on this issue for two weeks, this issue has been automatically archived.

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concrete5 Environment Information

Can't access dashboard after update

Browser User-Agent String

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:57.0) Gecko/20100101 Firefox/57.0

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