NetGear WAX620 devices gets removed from Insight cloud frequently

Every other day, the Insight app pings me with: "The following device has been deleted from your network by (Me/Username)" . I am the sole administrator with access to the account, and I can confirm I am not orchestrating these deletions; I have every intention of keeping my job rather than speeding up my own professional demise.

When this occurs, the access points drop from Insight-managed mode into standalone local mode (the power LED switches from blue to green). This is not isolated to a single unit—all 18 of our WAX620 APs experience this simultaneously.

Had it been simple brownout or power loss, it should've said "Device Disconnected" but instead, it gets removed entirely from cloud which shouldn't happen automatically.  

Some Details:

• Power: All APs are powered via Rack PoE switch connected to a high-capacity inverter backup system, ruling out brownouts or power interruptions. There is also no power issues as all devices work normally on a good day
• Firmware: All units are updated to the latest firmware (v12.8.0.7).
• Networking: The issue persists regardless of whether DHCP or static IP addresses are assigned.

Is this a known configuration issue, a bug within the Netgear Cloud backend, or something else entirely? Has anyone encountered a similar problem?