Okay but why can't I insert pictures in my chapters anymore? WHAT IS WRONG WITH YOU, WATTY???

Can anyone help me? Like I can't even click on the icon to insert pictures, it's grey instead of orange-

Anyway, the real reason for this chapter is just for TheGermanGurke  cuz... well, it would lead too far, Mavy knows what I mean (see picture on top of chapter)
SEE? WHAT ARE THESE NUMBERS?

Edit: it worked, finally, to put in the picture. Thanks @robinsheart