When you see the notification message "Failed to load: file does not exist" in PlayIt Live, this indicates that tracks are referencing files that have been deleted or become inaccessible. You can resolve this by updating the file paths to point to new locations using the Missing Track File Analysis tool.

To access this feature, go to Tools > Missing Track File Analysis in PlayIt Live. Click Scan for missing track files to identify all tracks with broken file references. The tool will display a list of tracks that would show "Failed to load: file does not exist" error if PlayIt Live tried to load them.

For each missing track, click in the Resolution column to choose your action. Select Update path to redirect the track to its new location, then click in the New Path column to browse and select the correct file. PlayIt Live will automatically check if other tracks have also been moved to the same location and offer to update those as well.

You can resolve multiple tracks at once by selecting them using CTRL or SHIFT keys, then clicking Mark selected and choosing your preferred resolution. This is particularly useful when you've moved entire folders of audio files or when files have become inaccessible due to network issues.

Once you've set your resolutions for all missing tracks, click Resolve to apply the changes. PlayIt Live will update the database with the new file paths whilst preserving all your existing track metadata, cue points, and references in clocks and playout logs.