" there were problems during the loading process. your worksheet may be incomplete"

I have seen some other people having this problem, I have tried to erase the bad characters myself but I can't seem to do it right. Can someone pleeeease help me? :(

https://drive.google.com/file/d/0B5FKHYOiyQ0jMk9XNzBYU3FDbzQ/view?usp=sharing