In order to ensure that the system is able to open the business object tab for a given evidence type, you need to configure the main page of the tab (The Home page) so that the system can link to it from the correct locations.
There are two ways of configuring the name of the home page for a given evidence type. The older method of writing an Evidence_resolveObject.uim, or using the new database field EVIDENCEMETADATA. BUSINESSOBJECTPAGENAME.
When the system attempts to find the name of the business object home page for a given evidence type it will first query the database, if that returns blank it will then attempt to use the resolve script