This issue might occur with Spectrum-UIM integration. (spectrumgtw) The main symptom is related to the disappearing UIM inventory in the Spectrum console.
The missing inventory is moved to the UIM unreported inventory container. This issue is intermittent and the inventory keeps disappearing and reappearing again at random intervals.
• If running UIM 20.4 CU8
Deploy the attached discovery_server 20.46T1 to your Primary hub.
• If running UIM 20.4 CU9
Deploy the attached discovery_server 20.47T2 to your Primary hub.