I have been creating an app in MetaForDevelopers, and I have added Instagram Basic Display as a product to the app. After configuring the app based on the following documentation, https://developers.facebook.com/docs/instagram-basic-display-api/getting-started iam getting stuck at step 3, where you add an instagram test user. The problem is, when i type in my account username and click on "Add" I get the following error:
I have checked all the steps and I'm following the exact steps given in the doc still I'm stuck here.