Mautic crashed: internal server error after editing dashboard "Best email read hours" widget

Product Support
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UPDATE: FIXED

Ran following commands on my machine:

1 .Fist login as root user in your mysql.

sudo mysql -u root
  1. Replace mautic-database-name with your own mautic database name and run this in mysql interface:
USE mautic-database-name;
  1. Print widgets table:
SELECT * FROM widgets;
  1. find out the ID of the widget that is broken and update its params, in my case the ID of the widget was 7, so:
UPDATE widgets SET params = "a:0:{}" WHERE id = 7;

that’s it!

cheers!