Source 'db' returned error 'Table definition has changed, please retry transaction'

Source ‘db’ returned error ‘Table definition has changed, please retry transaction’
or
Source ‘db’ returned error ‘Internal error: Required history data has been purged, please retry transaction’

when I select the external source db using dremio, it prompt above error but it work fine before , I have set the metadata to 1 minutes, but still encounter same error, pls help, thanks a lot!
dremio ver19

@crazyisjen Version 19.x is just way too old. What type of source is “db”? Have you run ALTER PDS FORGET METADATA and then re-promoted dataset or queried dataset ?