What rule is raising an issue on your code? Does the rule description not adequately explain why an issue is raised?
Also, make sure you upgrade to SonarQube v9.9 LTS soon, not only to benefit from our Best LTS Ever™, but because soon we will systematically ask users to upgrade when they ask questions about earlier versions of SonarQube, which are now considered unsupported.
To get the rule ID, use the “Why is this an issue” link. It will look something like java:s###
Marking the issue as Won’t Fix is certainly an option. Marking is False Positive is an option too if you truly believe the code has been incorrectly analyzed. I wonder, though, if the issue will still be raised when you upgrade to 9.9…