JIRA Threaded Comments Version 1.8 was installated and then 1.2 version is uninstallated. After this action , we are not able to add Threaded Comments , Why ?

Kasi Sama

FYI.. We are using  Atlassian JIRA (v6.4.6)

Nic Brough -Adaptavist-

That sounds like you've uninstalled the add-on completely.  If 1.8 is added, it should have upgraded from 1.2, so when you "uninstall 1.2", you're actually removing the add-on.

Could you check what is actually installed?