Hi @Andile Luvuno ,
the rules can't prevent someone from making a transition as they are executed after the action, this would be done as a workflow condition : https://support.atlassian.com/jira-cloud-administration/docs/configure-advanced-issue-workflows/#Advancedworkflowconfiguration-conditions
The condition you described would only be available with an addon I think, like Jira Suite Utilities.
Let me know if this helps,
Hello Community! We’re excited to announce that Mindville Insight’s asset and configuration management capabilities will now be integrated into Jira Service Management Premium and Enterprise plan...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events