did I do something wrong? is this a bug? or am I underaged for this site?
please do help

If you expect a sensible answer, it would be helpful to provide some further info.
What is it you are trying to do?
At what point does the error message occur?
Are you using the online version or the desktop version?
If using the online version, are you using a HTTPS url?

Others may chime in with more helpful answers but the basic info above means we don't have to be mindreaders.