Recently, Sentrilock has discovered an issue that is preventing some users from accessing the key compartment of Non-BLE lockboxes. This issue affects those using an iPhone and only occurs when trying to access the key compartment on the Non-BLE lockbox, specifically when the lockbox is NOT assigned to a listing. In this situation, you will not be able to generate a mobile access code to access the key.
To resolve this issue, members will have to simply assign the lockbox to a listing.
Sentrilock is aware of the issue and is currently working on another solution.
For more information on Sentrilock lockboxes, click here.