or
Standard tools tell you that kuid:1234:5678 is missing. An exclusive finder performs . It doesn't just find the main asset; it scans the asset's config.txt file, finds its dependencies, and locates those as well. This creates a complete "dependency tree" that you can download in a single batch.
Community-run databases like the Trainz KUID Index allow you to paste a missing KUID and find exactly which website or "pack" it belongs to.