Emporio Reale

I am getting this error on taxonomyapi: `"Uncaught SyntaxError SyntaxError: Unexpected end of JSON input" `This is the code: ``` ebay.getAccessToken().then((data) => { //console.log(data["access_token"]); // data.access_token ebay.getCategoryTree(0).then((data) => { console.log(data);...

There is no window.opener.postMessage message called.