Unable to render element due to an error, Error 500 and other errors in projects Service Desk.
logs
'2.5.9' version of Service Desk cannot be upgraded to '3.3.0-REL-0036'. Upgrade to '3.0.0' <= <version> < '3.2.0' first.
You can't upgrade Jira Service Desk versions such as 2.5.x and before directly to any version 3.2.0 or higher in a single upgrade. Instead you first have to upgrade to a 3.0.0 - 3.1.x version.
This is a known problem with trying upgrades like this. This is also noted in the Skipping major upgrades documentation for Jira. In order to install a 3.0.x Service Desk, you have to be on a Jira Core 7.0.x version.
I would recommend that you first install a 7.0.x version of Jira and import your Jira backup to that version first. You will also need to make sure that you have a Jira Service Desk installed and working on that version in order for this to upgrade you data correctly.
I would also recommend checking out Upgrade Guide for Jira 7.2. It contains a lot of information about things to follow and best practices around getting your data upgraded into the current versions.
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