While publishing the workflow, it is showing caution as "Workflow published with not found activities"

I have created multiple workflows in Elsa using drag and drop feature, one of the workflow is working fine but some other workflows are showing caution as "Workflow published with not found activities" while publishing, could you please help me this issue?
[possession-notice-workflow.json](https://github.com/user-attachments/files/16360287/possession-notice-workflow.json)