Lync 2013 – Enabling Topology Completed With Errors

Hi everyone,
I recently created a topology on Lync 2013 and when I try to enable the topology I get an error. The process completes but then with error. Will I be able to use the topology with these errors? Why did the errors occur?
Any ideas on how to solve this?

Your topology has been successfully published, but some errors were encountered. For details, check the log file.
