Facebook API error 191
UPDATE: To answer the API Error Code: 191 The redirect_uri should be equal (or relative) to the Site URL. Tip: Use base URLs instead of full URLs pointing to specific pages. NOT RECOMMENDED: For example, if you use www.mydomain.com/fb/test.html as your Site URL and having www.mydomain.com/fb/secondPage.html as redirect_uri this will give you the 191 error. … Read more