Pivot tables often store data in the cache, and some of that data is also that about slicer elements. Slicers take values ​​from the source table. If we add some of them and then delete them, it may happen that the slicers show phantom values. They are shown in pale color, as if there is no data. And indeed, if we pick such a value, we will get an empty pivot table report. How can slicer elements always be up to date?