**OS:** Mac **Build Version:** 20200603.1 **Repro Steps:** 1. Create a PowerShell project with HttpTrigger function. 2. Debug it and then stop debugging when hitting to an unset breakpoint. 3. Check the result. **Expect:** Stop debugging successfully without any error. **Actual:** An error "timeout after 1000 ms" occurs after executing stop debugging.  **More info:** This issue does not reproduce for C#/JavaScript/TypeScript/Python projects.