I import 200 wrong issues. I deleted these 200 issues (SJT-1, SJT-2, SJT-3,....,SJT-200) then I want to import new issues from number 1 issue key(e.g. SJT-1, SJT-2,...), but I can not do this.
So can I change issue keys or I must create a new project?
Thanks in advance for your help