Field type "&3" is not permitted for field &2 from infotype &1.

What causes this issue?

Field type "&V3&" is not permitted for field &V2& from infotype &V1&.

How to fix this error?

Please contact your system administrator.

Procedure for System Administrators

Determine the incorrect entry in the Customizing of <LS>Personnel
Administration</> in the <LS>Header structure per infotype</> view of
the "<DS:SIMG.OHIX0635>Determine Infotype Header</>" work step, and
correct it.

Error message extract from SAP system. Copyright SAP SE.