The SharePoint Health Analyzer detected an error. Missing server side dependencies.

The SharePoint Health Analyzer detected an error.  Missing server side dependencies.

[MissingSiteDefinition] 1 Sites in database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1] has reference(s) to a missing site definition, Id = [10101], Lcid = [1033].  The site definitions with Id 10101 is referenced in the database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1], but is not installed on the current farm. The missing site definition may cause upgrade to fail. Please install any solution which contains the site definition and restart upgrade if necessary.

[MissingSetupFile] File [Features\EMCES1.AdminSiteElements\ArchiveActivity\AllItems.aspx] is referenced [1] times in the database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1], but is not installed on the current farm. Please install any feature/solution which contains this file. One or more setup files are referenced in the database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1], but are not installed on the current farm. Please install any feature or solution which contains these files.

[MissingSetupFile] File [Features\EMCES1.AdminSiteElements\ArchiveActivity\DispForm.aspx] is referenced [1] times in the database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1], but is not installed on the current farm. Please install any feature/solution which contains this file. One or more setup files are referenced in the database [SharePoint_AdminContent_27e4bd56-f878-4b5c-bea7-1b0b9facd7c1],