Same bot app on multiple Facebook pages webhooks issue - facebook

my bot app is running on more Facebook pages, the issue is that if the app gets uninstalled from the settings of a single page, all webhooks are deleted also from other pages and so gets the bot. Has anyone experienced and solved this issue without the need of having one app per page?

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Facebook app posts are not shown to users

I'm having a problem with a small app I've created to post images/videos to my enterprise page, all posts that the app is publishing can only be seen by me, nobody else is able to see them. They go to my enterprise page's posted items an all the posts published by the app do not appear, they can only see the posts that I've manually published, but if I use my facebook account to go to my enterprise page I can properly see all app posts (and all the manually published posts also). Does anybody know what I'm missing?
PD: I've still the app in "development mode", and my app is using a "never expiring" token to post to my enterprise page.

Images not loading on Facebook chatbot

I developed a Facebook chatbot for displaying a carousel of images based on what the user entered in the chat. The images are hosted on my own website and belong to me. Initially, the carousel was loading the images properly from my website but since yesterday when the query is sent the following error message appears-
Attachment Unavailable - This attachment may have been removed or the person who shared it may not have permission to it wit...
This message is coming even after I have whitelisted my domain to my Facebook page as explained here
What is further unusual is that the images get loaded when I refresh my chat window or use the Messenger app on Android. I am guessing on refresh it loads from the cached in the browser and hence it is able to load.
I am not sure what is causing this issue. Any help or suggestion would be great. Thanks
This is currently happening for many Chatbot Apps it seems. Hopefully they fix it soon. It is already reported to facebook: https://developers.facebook.com/bugs/643964919115135

How to manage app permissionsfor the messenger on Facebook page

I have an app that uses IBM Watson Conversation to respond questions of customers and want to add this app on Facebook, so it can work with the messenger for a page.
I already have this same app working on other pages, but this one page, where I have admin privileges is giving me head aches.
I can add the app to the page on Configurations -> Messenger Platform and I also can link the page to the app on the developers section, making a POST like this
POST/v2.12/page_id/subscribed_apps
Everything seems to happen properly.
When I access the Messenger Platform section again, the app is there, but it doesn't have all the permissions I need (the ones for work with the messenger).
Anyone can tell me if a page can have some configuration that sets the permissions that can be granted to an app?
Or even better, can I set the app permissions manually?

Facebook Chat bot not working for public

I have a chat bot working fine for a single page.
My app is currently live and available to the public.
I generated page tokens using Facebook Login.
But I want to integrate same chat bot with other pages also.
I follow below guidelines to subscribe other page in my app.
https://developers.facebook.com/docs/graph-api/reference/page/subscribed_apps
But other pages are not hitting my webhook.
Screenshot of may app and messenger review are below.
Second image of messenger review
Please suggest me how i integrate my app for multiple pages.
Am I missing any step?
Thanks in Advance

Do Facebook tab pages now require app review?

I've created and installed dozens of tab pages, but this latest one is having issues and I'm seeing a request for review that I haven't seen before. Is Facebook requiring review for tab pages now? Can anyone confirm this?