App rejected – Unable to approve permission request

the app stopped working, again.

the App requested again permissions to ?pages_manage_posts, pages_read_engagement but again the permission is not granted. Fb switched automatically to Facebook Login for Business and is not working. here’s the error that gives us:

App rejected – Unable to approve permission request

Developer Policy 1.9 – Build a quality product

During review, we were unable to approve your submitted permission(s) or feature(s) and will not be able to approve the app for use.

To help resolve this issue, please review the following:

1. Make sure you have completed all development of your app.
2. Create a Test User and verify that you can use it to recreate the experience exactly as depicted in your screencast.
3. If you are able to reproduce this experience exactly as depicted in your screencast, verify that the testing instructions in your App Verification Details are correct and include the Test User’s email and password.
4. If your screencast is inaccurate but you are able to successfully test each of your requested permissions and features with the Test User, capture a new accurate screencast and upload it, verify that the testing instructions in your App Verification Details are correct, and include your Test User’s email and password.
5. Resubmit for App Review.

For more information regarding this rejection, please visit our App Review Rejection Guide.

pages_manage_posts feedbackApp rejected – Unable to determine use case details

Developer Policy 1.9 – Build a quality product

We were unable to approve your request for this permission because the explanation of your app’s use case was unclear.

To resolve this issue, please provide a valid use case with a revised screencast or notes that explain the following items:

1. Which app function requires the requested permission.
2. How the requested permission will enhance your app’s functionality and integration.
3. How the requested permission will enhance the end user’s experience.

You should also make sure that the screencast submitted is the correct video for the app before you re-submit for review.

For more information, you can also view our App Review introduction video and App Review Rejection Guide.

pages_read_engagement feedback
App rejected – Unable to determine use case detailsDeveloper Policy 1.9 – Build a quality product
We were unable to approve your request for this permission because the explanation of your app’s use case was unclear.
To resolve this issue, please provide a valid use case with a revised screencast or notes that explain the following items:
1. Which app function requires the requested permission.
2. How the requested permission will enhance your app’s functionality and integration.
3. How the requested permission will enhance the end user’s experience.
You should also make sure that the?screencast submitted?is the correct video for the app before you re-submit for review.
For more information, you can also view our?App Review introduction video?and?App Review Rejection Guide.

The page I need help with: [log in to see the link]