This application is not accessible. Sorry "Username", you are not allowed to access feedback. Please contact this application's administrator.

This application is not accessible. Sorry "Username", you are not allowed to access feedback. Please contact this application's administrator.

I am the administration and i can't even access the form or the report. That happened after i published the form.

This message appears:

This application is not accessible.
Sorry ramialjildeh, you are not allowed to access feedback. Please contact this application's administrator. 

What shall i do? This is very important and i use it for a big audience!!