If it has a cause of occurrence classification that will no longer be used, we can inactivate it.
You must have permission to Manage cause types, categories and classifications.
In the occurrence module click on the Cause Classification tab.
In the cause classification that will be inactivated click on the context menu and select the Inactivate option.
The cause classification will be inactivated.
To find inactive cause classifications use the filter .
Classifications of inactive causes are no longer displayed in the list for selection, occurrences using this classification are unchanged.