Some of your post-functions do not seem to be working at all, and in the logs (accessible from the Troubleshooting and support for JIRA Misc Workflow Extensions page) you find errors such as unauthorized or You do not have the permission to see the specified issue.

These post-functions are either

• operating on a project that has a non-standard Permission Scheme (such as a Service Desk project) or that is using a Security Scheme

• the issue has a security level set or

• the transition has a workflow property set which restricts the "Run as" user from seeing/editing the issue