Protect Content feature not working with MemberPress UN/PWs

I have both Blubrry PowerPress and Memberpress Premium installed. I have enabled password-protected Premium Content feeds using Blubrry and until recently my members were able to log in using their existing MemberPress-managed account username and password.

However, in the past week or so, the password-protected RSS/premium podcast feeds have been denying username/passwords from active members, even though options on my end have not been changed. This leads me to believe there is a problem with the plugin with a recent update. MemberPress claims nothing has changed on their end with this feature.

The feeds are accessible when password-protection features are turned off, but when they are turned on, and the “Protect Content” checkbox checked, with “Require user to be signed-in to access feed.” to the right, and “User must have the following capability:” set to “Active MemberPress Member” the log-in is denied, even for me as an admin with an active account.

My members are reporting they can’t get in either. This is a major draw for my fanbase, and I do not have the luxury of removing the password protection, as I cannot have inactive members retaining access when they aren’t paying anymore.

Please advise what the problem could be.