After upgrading from version 5.7 to 6.2, the web parts are functional but there is a large sequence of the following messages in the Farm Health Analysis Report:

[MissingSetupFile] File [Features\QuestWebParts\dwp\ChartView.dwp] is referenced [19] times in the database [SP-Test-ContentDB-Portal-Apps-02], 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 [SP-Test-ContentDB-Portal-Apps-02], but are not installed on the current farm. Please install any feature or solution which contains these files. [MissingSetupFile] File [Features\QuestWebParts\dwp\SIChartView.dwp] is referenced [19] times in the database [SP-Test-ContentDB-Portal-Apps-02], 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 [SP-Test-ContentDB-Portal-Apps-02], but are not installed on the current farm. Please install any feature or solution which contains these files.