My story is not that uncommon. I know you have a similar story. Eager leader, gets the promotion, and then gets thrown to wolves.
During my career growth I really believed that I was under performing due to my own in abilities. Until I found the truth.
The quote below tells the story of how even ineffective managers are under the radar when there is many uncontrollable events in an organization. The Better Boss Framework makes good managers great and exposes bad managers' ineffective management methods.