Describe the bug
CPT edit screen is no longer working.
White screen (not of death).
ACF is completely broken.
You can no longer edit a field group.

To Reproduce
Steps to reproduce the behavior:

1. Install Gutenberg 4.5.
2. Install ACF (any version).
3. Navigate to the "Custom Fields > Add New" page .
4. Notice the lack of anything.

Expected behavior
ACF CPT should appear as expected with the classic editor edit page.

Screenshots

Additional context

• This was not an issue with Gutenberg version 4.4