Why this Alert for Learning module doesn't work?

Summary:

Alert does not retrieve data.

Content (required):

I made a custom alert, the only filter I used is the one below (see also "Code Snippet" section).

Recipients are these (I tried every possibility):

If I try the condition on BI Publisher the query returns data but this alert don't:

Result: I don't get any notification when assigned to a course.

What could it be?

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

23B

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

exists (SELECT 'x' from dual where ${assignmentCreatedDate} >= (select max(trunc(sysdate)) from hrc_alert_runs runs, hrc_alerts_b alerts where runs.alert_id = alerts.alert_id and alerts.alert_code = '026336D7F5550261E063A096410A037A'))