not install service desk
my jira software version 8.5.4
add install service desk 4.5.4
but not install service desk
following error
0/ [bootstrap.lifecycle.server.ServerPluginLifeCycle] '1.2.6.1' version of Service Desk cannot be upgraded to '4.5.4-REL-0028'. Upgrade to '3.0.0' <= <version> < '3.2.0' first.
Jira Service Desk Error: cacheLoader returned null for key 'SD_REQTYPE'
service desk has never been installed.
how to install service desk