Deleted Preview Files - Premiere Crashes On Open

It sounds like there is some corruption associated with the project or the media linked to the project.

Here are a few recommendations:

Save and Close the Project

1. Make sure to save and close your new project after you've imported the sequence from Media Browser before you do anything else.
2. If you're prompted to relink media, hold off doing this until you've saved, closed, and reopened the project.

New Sequence

When you say it crashes when you click the sequence, do you mean a single-click or double-click?

1. If a single-click is still okay, create a new sequence in your project and load it in the timeline.
2. Turn off the Insert or Overwrite Sequences as Nests button (under the timeline timecode).
3. Select your old sequence in the Project panel and choose Clip > Overwrite. This should import all the clips from the old sequence into the new.

Import into After Effects

1. Whenever I have corruption with an old project, sometimes a good trick is to import it into After Effects first with File > Import > Import Adobe Premiere Pro Project.
2. Then save with File > Export > Export Adobe Premiere Pro Project. This seems to help clean up the code in the corrupted file.

Hope this helps!

Cheers,
Paul

Downgrade to the previous version of Premiere Pro and try again. The latest versions have issues and sudden chrashes is one of them.