Peter, Thanks for that information but it is not my problem. Sorry I think I badly explained it: all of the feeds I am creating ("Main structured snippet feed" or "Lorem Ipsum Feed" or else) seems broken when I try to use them from Campaigns / Ad Extensions tab (https://screencloud.net/v/i6d9). When I choose the feed I have created through the API I get the error "There was an error with your operation..." in the top of my screen. But when I view it through the Shared Library / Business Data section (https://screencloud.net/v/x69p) everything seems fine and I don't see any differences between my API-created feed / extension and feed / extension that I create through the adwords interface manually. The worst thing is that I don't get any errors from the API response so I can't find if there were any mistakes in my code or something else. Why I was talking about the "_Feed name" is that when you have clean adwords account and create your first structured snippet extension adwords creates default feed with the name "_Main structured snippet extension". It seems like the default main feed for this type of extensions which I would like to use, but I can get it through the API only when there was already created at least one extension. Until then it is not visible / not exist. That's why before adding new extension I need to create new feed. And after creating it I am facing this error. So I need to figure out why my feed seems broken and what is causing this error to appear. Sorry for this confusion, hope now I explained it more clear. Hearing from you, Alex понедельник, 23 мая 2016 г., 18:53:52 UTC+3 пользователь Peter Oliquino написал: > > Hello Alex, > > I did some investigation and it appears that although it is allowed in the > UI, a validation within the API does not allow having "_" as the first > character for feedName. As a workaround, you may start your feedName string > using alpha characters. > > Regards, > Peter > AdWords API Team >
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