I created a staging Jira instance https://qa-jta.jira-dev.com via https://wac.stg.internal.atlassian.com/ .
BulkOps app is not present in staging marketplace as public/private app https://marketplace.stg.internal.atlassian.com/ .
We try to install prod BulkOps app by descriptor from prod marketplace https://marketplace.atlassian.com/ to staging Jira instance.
Somehow BulkOps app installs successfully but Security API token which I generate through this staging Jira instance is always invalid.