If you have an internal ASIO audio device, try the following steps to fix the issue:
1. Click the Start button and open Device Manager.
Figure 1: Opening Device Manager

2. From Device Manager, expand the Sound, video, and games controllers folder.
Figure 2: Opening Sound, Video, and Games Controllers

3. Right-click an internal ASIO driver and select Disable.
Figure 3: Disabling an Internal Audio Device

4. Open Lumit again.If the issue persists, please contact us at support@lumit-audio.com