The reason seems to be a bug in Neptun, which is not universally reproducible: as soon as certain users (even with NPU turned off!) change the number of items displayed using the dropdown in the header, the entire pager table vanishes (though the display does get applied to the subject list). The user who reported this only had 67 subjects in the list, so the bug might be related to not having enough subjects.
These controls are missing in some cases:
The reason seems to be a bug in Neptun, which is not universally reproducible: as soon as certain users (even with NPU turned off!) change the number of items displayed using the dropdown in the header, the entire pager table vanishes (though the display does get applied to the subject list). The user who reported this only had 67 subjects in the list, so the bug might be related to not having enough subjects.