Under Service Provider section the Services dropdown is not working

Hi, I have emailed you about 5-7 days ago. Under Service Provider section the Services dropdown is not working. It has not been working, I set two services already and when I click them they get checked but the service dropdown does not react to it, it acts like I did not checked anything. I was asked to open the support access which I have done and now it is closed again but then nobody got back to me about the issue nor got it fixed. Could you please fix it and inform me of the process so I know what the issue was and whether you can fix it or not.

Many Thanks,
Rita