Infotype &1 is an "Additional infotype for view", entry not possible

Message type: E = Error

Message class: PG - Error Messages for Master Data Programs

Message number: 636

Message text: Infotype &1 is an "Additional infotype for view", entry not possible



What causes this issue?

Infotype &V1& is an "Additional infotype for view" (see table T777D).
Since this cannot be edited separately, it is not possible to make an
entry in table T528L <ls>Infotypes - Country-Specific Settings</>.
These additional infotypes are not displayed with F4-Help.

Error message extract from SAP system. Copyright SAP SE.