⚠ Do you see this message only? Then viewer is not reading help file content.
This may be caused by your browser blocking local file access (file://) due to CORS policy restrictions.
You need to run your browser in mode with bypass CORS policy:
Chrome:
Run in CLI: chrome.exe --disable-site-isolation-trials --disable-web-security --user-data-dir="C:\temp"
Edge:
Run in CLI: msedge --disable-web-security --user-data-dir="C:\temp"