FAQ's » Error 1904.Module
If you Facebook on this Apple ID:
If the app displays a connection error during login, it is usually because Facebook has updated its API endpoints. This can sometimes be bypassed by logging into Facebook via the Safari browser first, or by using a two-factor authentication (2FA) code appended directly to the end of your password. facebook+ipa+for+ios+935+best
If the app installs but won't let you log in, try disabling Two-Factor Authentication (2FA) on your Facebook account temporarily. Legacy apps often don't know how to trigger the 2FA code popup. If you Facebook on this Apple ID: If