Facebook OAuthException code 190 subcode 490 - user is enrolled in a blocking, logged-in checkpoint

Question

Well the title says it all. Does anyone have an idea what the code 190, subcode 490 means? (Error validating access token: The user is enrolled in a blocking,

Answer 1

Another suggestion if anyone gets this issue. I was messaging a user back from a page I own and I was seeing this very message. I had a Facebook Page with a Facebook App, created in the Facebook Developers area. The access token for the app needed regenerating.

I did this by going to Facebook Developer, selecting the app I was working with, clicking the Messenger tab for the list of enabled products for this app, and then selecting re-generate token. Copying the new token made it work first time.

Hope this helps.