Error on importing MockHrService

Hello   I am doing crash course. As per instruction in course I tried to import project MockHrService ,but I am getting error. My mendix version is 7.23.13. Is it ok to upgrade my version ?
1 answers

No, you can not upgrade your Mendix Studio Pro. You need to install another version of it: version 8.4.0


So go to the AppStore → click on ‘All versions’ → Download and install version 8.4.0

Open that version and you will be in Mendix Studio Pro, version 8.4.0.

Now import the MockHRService.