@Brant Schroeder Thanks for the reply. Hope you are doing good.
The issue was neither cloned nor copied from different project. Even the history also shows up the normal activities done ( like creating issues, updating , assigning it to sprint , followed by attachments and closure of the ticket).
JIRA issues are linked when you mention the JIRA key in Bitbucket, either in the branch name, as part of the description or comment in a pull request or as part of the commit comment. If you look at the commit comments is the issue mentioned there?
Here is some more information about the integration, https://confluence.atlassian.com/bitbucketserver/jira-integration-776639874.html
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