Blender doesn't create a new face when extruding
Hello there! I apologize for my lack of knowledge, but for some reason, whenever I try to extrude certain edges, Blender doesn't create a new face as expected, but simply stretches the edge as if I were to hit G. The strange thing is that it only happens on certain edges, but others work fine.
How it should look (screenshot from the video):
How it actually looks for me:
Anyone have a solution to this?