To post your image on this forum there is a bug with most browsers where you have to concel after the first attempt and try again. ALso try shrtening the name to alpanumerics and using .png or .jpg RGB color mode.
Exactly how far do you get when you tyr to mapo, do you see the symbol name?
Click on stretch to fit, make your window bigger(incase the symbol is off the canvas), does the preview of your symbol look correct in the symbols palete, or sould a stray point have posisbly gotten into that. Here is what the window should look like, so you can better describe how far you get.
Also try to create a fresh new symbol and shape to extrude, something simple so we know if the problem is the symbol, path or something else.