Hi @MMBot,
As per my test in my environment, I didn't reproduce this issue in my environment. Is this folder stopped inheriting parent permissions and being given unique permissions? Please go to "Advanced settings" page to check.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.