Question
![](https://accounts.pega.com/sites/default/files/styles/user_image/public/1689976000/2afb4578-c154-4e19-9d09-8e99e7bcd7eb.jpg?itok=4gZn-nZ1)
Capgemini
BR
Posted: Apr 11, 2021
Last activity: Mar 28, 2022
Last activity: 28 Mar 2022 10:29 EDT
Closed
Solved
Error Pega verson 8.5.1
After installing the handle, when I start the app studio, this ruleset error appears, please can someone help?
Error:![Ruleset error](/sites/default/files/collaboration/inline-images/Capturar.JPG)
Display error
Action that failed
pzLPApplicationDashboard
For class
Current operator
In flow
pzCreateNewCaseType
At step
Rule-HTML-Harness
Failed to find instance @baseclass.pzLPApplicationDashboard of type Rule-HTML-Harness.