The report components is often use in business-like application.
Producing a result of (some) data processing in a nice human-readable manner.
If you're looking for on how report a bug, please refer to how do I create a bug report page.
There are following reporting libraries available for use:
(same as LCL)
|Fortes Report - CE||https://github.com/fortesinformatica/fortesreport-ce|