Verify that your RootAdmin role is correct. It should look like this:
Also, you may want to verify that a rule was not placed on the stream that implicitly denies access. Notice that this rule is only valid in the QMC! This Root Admin role is only valid in the QMC. You need to validate that you have access to the streams in question with a rule where the context is 'Only in HUB' or 'both in hub and QMC'.