The problem can be in App
openplatform.jsonfile for each file by adding a value to
originwith your IP addresses
It's very easy, just perform
F5 in OpenPlatform and focused app will be refreshed.
+v4 allows Apps to access via Access Token. Just execute:
https://youropenplatform/access/APP_ACCESS_TOKEN/?url=REDIRECT_URL and then OpenPlatform will perform a redirect to your
url with auto-generated
IMPORTANT: You need to allow Allow apps to access via Access Token in OpenPlatform Settings.