New setup, adding simplelabentry

Greetings, I’m very new to the openMRS and bahmni. I finally managed to set things up. I was looking to manually add laboratory test results; for patients presenting with their results, I tried adding simplelabentry, but the whole page stopped loading. Is it something with the addon? Is it something I did during the setup process?

I hope it is fixable, with your help to overcome this issue.

Regards