OTBI Report: Worker Number null

Summary:

In a custom OTBI report, starting from this month, suddenly the Worker Number, from "Workforce Management - Work Relationship Real Time"."Work Relationship Details" subject area, is null. Why? How can I resolve this issue making come back the correct value?

Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):

SET VARIABLE PREFERRED_CURRENCY='User Preferred Currency 1',ENABLE_DIMENSIONALITY=1;SELECT
0 s_0,
"Workforce Management - Person Real Time"."Person Legislative Information"."Highest Education Level" s_1,
"Workforce Management - Work Relationship Real Time"."Work Relationship Details"."Primary Flag" s_2,