You don’t have permission to view these resources in this compartment

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You don’t have permission to view these resources in this compartment

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Ok, so that's my problem:You don’t have permission to view these resources in this compartment

Then, I got really mad about it because it didn't happen during my year-plus free trial, but just a week after I upgraded to a paid user. I spent a day studying Oracle's user agreement and can confirm that I have done nothing wrong.

I tried asking Oracle Support for help, but all they could do was repeat the robot-like answer over and over: We can't restore your account, and we can't tell you why.