Node (MTE) data cannot be determined

What causes this issue?

There is no alert information for this monitoring object.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Open the basic monitor and check in "Self-check" whether there are any
communication problems.
In the case of monitoring objects that are on an application server,
log onto this server and repeat the action. In this way you can check
whether or not communication between the servers has been disturbed.

Error message extract from SAP system. Copyright SAP SE.