How to debug failing updates for custom post type?

Issue Overview

I have a post that I am working on for a few days, when I try to update it I get a error updating failed.

Steps to Reproduce (for bugs)

Make a post

Select a sub industry taxonomy

Save (I get the error).

Expected Behavior

It should update the post

Current Behavior

I get a error message “Updating failed”

Screenshots / Video

What I have done so far

Disabled Plugins one by one
Disabled All Plugins just leaving ACF and CPT UI
All points to some Gutenberg issue

Debug Info from Custom Post Tools