function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
Gabriela KaźmierukGabriela Kaźmieruk 

An activity timeline component error

On our Sandbox (with Summer '20 release) an activity timeline component error occurs during account edting. So any changes can not be saved. Below you can find the screen with the error message. What can be the reason of it? What are the possibilities to solve it?

User-added image