Error 400: A maximum of one of the following filters may be specified:, id, mySubscribers, categoryId, mine, managedByMe, forUsername. In case of content owner authentication via the onBehalfOfContentOwner parameter, only the id or managedByMe may be specified..

Domain code: youtube.channel
Reason code: invalidCriteria

Error: No feed found with the ID 5.

Go to the All Feeds page and select an ID from an existing feed.