Fatal Error During Upgrade to 5.6.0.1

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When upgrading a 5.4.2.2 website to 5.6.0.1 I am getting the following error message and the site is coming up as a blank screen now:

Fatal error: Call to undefined method TaskPermission::addTask() in /usr/home/anewspirit/www/htdocs/concrete/helpers/concrete/upgrade/version_550.php on line 54

I've upgraded more sites than I can count but this is the first upgrade I've done with 5.6. I haven't seen this error before. Any recommendations on how to proceed?

pixo
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StriderSEO replied on at Permalink Reply
StriderSEO
Same error here, no answer yet.
pixo replied on at Permalink Reply
pixo
I ended up just rolling the site back to the original because I knew it was going to be too difficult to try to fix a partially upgraded site. However, I still need to upgrade this site so if anyone has any suggestions I'm all ears because I haven't been able to pinpoint the cause yet.
StriderSEO replied on at Permalink Reply
StriderSEO
Just happened again on another site. Both were upgrades from 5.4.2.2. Perhaps we need to upgrade to 5.5 first, then on to 5.6?
pixo replied on at Permalink Reply
pixo
I've had the same thought.
SpencerC replied on at Permalink Reply
SpencerC
Did you upgrade manually or through the Dashboard?
StriderSEO replied on at Permalink Reply
StriderSEO
Manually here, both sites.
pixo replied on at Permalink Reply
pixo
Manually upgraded.
Ekko replied on at Permalink Reply
Ekko
5.5 should be included in your updates folder from what Ive experienced. This how to helps to shed some light.

http://www.concrete5.org/documentation/how-tos/developers/update-ve...