Fix (1 minute): Close browser → Open Settings → Apps or Applications → Find Chrome → Permissions → Camera → Select 'Allow' or 'Allow only while using app' → Return to browser → Try again
Still not working? Try: Restart Android device, Clear Chrome app cache (Settings → Apps → Chrome → Storage → Clear Cache), Update Chrome to latest version, Try different browser, Test camera app works separately
Alternative path: Settings → Privacy → Permission Manager → Camera → Chrome → Allow