- Server operating system version
- Ubuntu 22.04.5 LTS
- Plesk version and microupdate number
- 18.0.65
533902#0: *4137 FastCGI sent in stderr: "PHP message: Using cached FetchClass file, last modified at: 2026-01-22 12:31:24" while reading response header. How to eliminate this message? Appreciate any assistance.