ah dang, sorry my bad. I forgot that after I downloaded this level from the forum [from the community level pack topic, from quite a long time ago. I don't have any old versions of my levels, at least handy.] I opened it in the editor and re-saved it in the new format (and thus without the missing pieces.
I attached a copy of the proper version I'm talking about. I opened this in the old version you attached here and still have missing pieces. I'm thinking the missing pieces are pretty important too cause the level seems possibly impossible as it is.
[it sees everything seen in the attached images here]