When using the API endpoint to invalidate reports: CoreAdminHome.invalidateArchived
And invalidating for any period other than range returns incomplete dates for confirmation of invalidated periods.

For example, when using period=week&dates=20223-01-01,2023-02-24 the following response is returned:

<result>
<row>
Success. The following dates were invalidated successfully: 2023-02-24
</row>
</result>

When using a dates value such as lastN or previousN returns no dates. For example when using &dates=last2 the following response is returned:

<result>
<row>
Success. The following dates were invalidated successfully:
</row>
</result>