In Config whilst saving the error code as "Request failed with status code 500" in red
**Describe the bug**
Whilst doing the camera RTSP configuration and save, it does not allows saving and error message appeared as Request failed with status code 500.

**Expected behavior**
It should save and allow cameras to be added thru config.json. However, I am unable to locate the directory or check the file permission/ownership

**Logs**
Not visible

**Screenshots**
It disappear rather fast but it shows at the bottom of the monitor.

**Environment**
- Node.js Version: v19.1.0
- Camera UI Version: v1.1.17
- Operating System: Ubuntu 20.04
- Browser: Google Chrome, Firefox, Microsoft Edge
