Tutorial: Creating a core-data Mod (Not a Map, just a Mod :)

Can’t seem to get my mod running after uploading it to steam. Not sure where it’s going wrong.

Warnings from cooking:
http://puu.sh/iXcJb/115327b3d3.png
http://puu.sh/iXcMq/6cf843109a.png

Errors on trying to run through ARK
http://puu.sh/iXe2p/28820e296a.png

Anything I should be looking at in particular to fix?