InDesign does not use the fill color to fill shapes/strokes?

Usually, if I got a fill or stroke color set (left in the toolbar) and draw a shape like a square, this fill and stroke (if any is set) will used to create this shape. Now - all of a sudden and who knows since when - it just ignores it?

I have a color fill set, I draw the shape = the shape stays unfilled and without any stroke + the preset color and stroke just vanishes to nothing and I have to re-fill or add a stroke while the blank shape is selected….

InDesign Version 21.4