Resolve has got built-in console app. It is extremely helpful when troubleshooting almost any error within DVR. The information displayed there can be very helpful for the Support Team to solve your problem, so it is always advisable to launch the console when experiencing any kind of issue.
Here's how to launch it:
A good example of Console utilisation for troubleshooting is fonts problem - if you are seeing errors related to fonts in the Console check this article: https://help.motionvfx.com/en/articles/6161578-i-can-t-see-your-motionvfx-plugins-in-davinci-resolve-timeline