class TZInfo::DataSourceNotFound
{DataSourceNotFound} is raised if no data source could be found (i.e. if `'tzinfo/data'` cannot be found on the load path and no valid zoneinfo directory can be found on the system).
{DataSourceNotFound} is raised if no data source could be found (i.e. if `'tzinfo/data'` cannot be found on the load path and no valid zoneinfo directory can be found on the system).