My account suddenly did not allow me to enter into my compartment

showing "Nothing here. Possible reasons: This Compartment does not exist. You don't have access to this Compartment." Could anyone help me on this issue, how should I fix it??

It is showing me "You don’t have permission to view these resources in this compartment. Try another compartment, or contact your administrator for help "Even though I have the all privileges & I'm the only administrator. Could anyone help me to retrieve my account ??