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I created an app that reads a few SP lists on start and set the permission to "Everyone except external users" for each list. All the other lists work fine except one list that can be accessed by most users but not by a few other users. However, when I sent the SP link to the list to a user who experienced the "You don't have permission to view this data. Server Response: ddsUsr failed: Something went wrong", the user could open the link and saw the list without any problem. Note, ddsUsr is the list that is having this issue.
Any thoughts? Thanks!
The problem was caused by setting the permission at the list level without setting site level permission. Once "Everyone except external users" was given view permission at the site level, the problem was gone.