Agent Based Policy - Ubuntu Problems

I am having a problem getting some of my Ubuntu servers to pass the CIS checks. Specifically:
2.1.1.1. Ensure time synchronization is in use
2.1.1.2. Ensure systemd-timesyncd is configured
4.2.1.2. Ensure rsyslog Service is enabled

The error message I’m receiving in the check is:
There was an error when evaluating the specified systemd unit property entry.
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Is there a fix for this? This is only happening for a small number of my servers but it is working for the others.