One or more entries in the central search menu have been omitted

What causes this issue?

Enterprise search connectors are not available, or the navigation to the
search view is not defined.

System Response

The corresponding menu entry has been omitted.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.