Error during MySQL encryption, Code: 3185. "Can't find master key from keyring (...)"
What is your MySQL Version?

I find the following 'solution' and i will try upgrade mine 5.7.20 to 5.7.22:


  Posted by developer: 
  
  Fixed in 5.7.22, 8.0.4, 9.0.0. 
  
  Cosmetic change to
  error message. No changelog entry needed.


Maybe it will solve your problem.