DataBaseTablespaces Summary report fails to run in the Enforce console after you have migrated your Oracle DB from 12c to 19c.
Release : 15.5
Localhost log files contains the entry:
Level: SEVERE
Source: com.vontu.manager.admin.database.DatabaseDiagnosticsReportLoader
Message: Error encountered while fetching database diagnostic reports data. Caught exception trying to fetch database diagnostics report data: Cannot run program "sqlplus": CreateProcess error=2, The system cannot find the file specified