Error in header &1 transaction class &2

What causes this issue?

Header &V1& of transaction class &V2& is incorrect.

System Response

How to fix this error?

Please contact your system administrator.

Procedure for System Administrators

Call up the customizing system for <LS>Personnel Administration</>,
access the <LS>Header Structure per Infotype</> view using the
<DS:SIMG.OHIX0635>Define infotype header</> step, and then find and
correct the incorrect entry.

Error message extract from SAP system. Copyright SAP SE.