I can't connect to my app and confirm app review form.

Hi,
I tried to connect our app to the Business account but couldn't proceed, I received an error "Something went wrong. We're working on getting it fixed as soon as we can"
I was about to comply with the data checkup but linking the business account to the app is required before I can proceed.

I have been attempting to use the Instagram Basic API and have proceeded to the point of registering Instagram test users. However, I am encountering an error that is preventing me from completing the registration successfully.
The error message reads:
"フォームを保存できません すべての情報が正しく入力されていることをご確認のうえ、もう一度実行してください。"
(Note: The error message is displayed in Japanese for Japanese users)
I have also tried to designate a different Instagram account as a test user, but I encountered the same error. Furthermore, when I attempted to use an Instagram Basic API app that worked in the past, I encountered the same error, and I am unable to register new Instagram test users.
I can confirm that everything was working without any issues until at least January 15, 2024 (as indicated by the settings of a previously configured app).
Could this be due to a change in specifications or a bug on Meta's end? If there are any necessary steps required for registration, I would appreciate your guidance.

Anyone know what to do here?
I've read a previous response to the same question: https://developers.facebook.com/community/threads/1535970990269469/
But that isn't acceptable because I don't want to have to keep deleting my apps in the future, especially for a business.
Thanks!

Hello! Towards the end of last week, our app suddenly lost the ability to fetch a user's Facebook Pages upon authenticating their Instagram account through the Facebook SDK for Javascript, v16. If we don't detect any Facebook pages, we show the authentication attempt to have failed.
To be a bit more specific, our app has a page where a user can click on a link to "connect" their Instagram account to our platform. I.e. we call the FB.login() function, passing in "manage_pages, instagram_basic" to the scope field. We then take the resulting access token and facebook account id from the response and make a follow-up call to the Graph api endpoing /{fbAccountId}/accounts. Normally, the response would have a "data" field equal to an array of pages that we then work with on our end, but starting some time as recently as last Thursday, "data" is now returning an empty array for all users who have tried logging in.
We were wondering, does this have something to do with our "pages_manage_ads" and "pages_manage_metadata" permissions currently having the "revoked" status? There doesn't seem to be a way to tell from the dashboard how long ago we lost access to these permissions. However, if it was some time last week, then perhaps that is the reason we are no longer able to fetch any pages.
The reason I'm asking is because we've actually still been passing in the "manage_pages" permission this entire time. But it looks like that permission was deprecated on version 7 of the JS SDK and replaced with four new permissions: pages_manage_ads, pages_manage_metadata, pages_read_engagement, and pages_read_user_content. So our theory is that perhaps the api saw that we were still passing in the old permission and then ran the updated permission checks over the four new permissions "under the hood", so that the deprecated permission was still valid. And now that two of those four permissions are revoked, the check fails.
If this is indeed the reason, then should we re-submit our app for App Review to obtain those permissions again? Or is there perhaps some other reason we're suddenly not able to fetch Facebook Pages that we're not aware of. Some sort of API update maybe?
Please let me know if there's any additional info I can provide, such as the app Id, etc.
Side note: We're actually also authenticating Facebook with the same "manage_pages" permission, but are still able to fetch Facebook Pages using the access token and facebook account id from that callback, for some reason.
Thank you!