Song ends early/at start

Hi guys, I know there was a question like this, but it was old so I decided to make a new post.

As the title says, the song I am working on blacks out right at the beginning. I can see my mines and notes pass by, but then it just ends.
What do I need to do in order to fix this? I can gladly attach any files if needed.

A little side note - it used to work until I made the song into two edits, one with mines and one without.

The song end time is based off when the charts in the normal difficulty slots end. Novice, Easy, Medium, Hard, Expert are the normal difficulties.
So if the simfile only has edit charts and no normal difficulty charts, that's why it ends early.