Selection terminated after 999 pages

What causes this issue?

You have chosen the selection criteria on the initial screen in such a
way that not all the records for selection could be read. This is
because a maximum of 999 pages is displayed in the overview list.

System Response

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

How to fix this error?

Either narrow down your selection, or process the incomplete list.

Error message extract from SAP system. Copyright SAP SE.