Observations are mismatches between what the computer does and what you’re expecting it to do.
Before troubleshooting, make sure that your expectation is correct.
Read the relevant documentation, search the web for related issues, go through the release notes and, if you’re still unsure, ask around in the community.
You cannot troubleshoot without doing this.
If your expectation is indeed correct, continue to troubleshoot.
Note
Here’s an example of a valid expectation:“My shoe should not hurt my foot”.