OrgConfessions.com - we've now got over 250 confessions, so we did some root cause analysis. Obviously some confessions are a combination of issues and a few are just weird outliers... like "I sometimes take phone meetings from bed."

Here is the analysis:

35.6%   No documentation / naming standards   

31.4%   Poor business analysis / requirements capture   

29.9%   Data structure / architecture   

13.6%   User training required   

12.5%   Complex / huge Org   

11.0%   No implementation methodology   

9.5%   Profile / permissions / roles   

7.6%   Consultant implementation   

5.7%   All users have System Admin access   

3.8%   Changes directly in Production   

2.7%   Fake code coverage   

1.9%   Doing Trailhead in Production