On this page, you will find more information about the most common causes and most relevant solutions for the Facebook API error '506'. Do you need help straight away? Visit our support page.
The Facebook Inc. documentation indicates that error code '506' is caused by the following problem: "Duplicate Post".
Do you think there is another cause for this error? Let others know in the comments.
Duplicate posts cannot be published consecutively. Change the content of the post and try again.
Do you still have problems with this error? Try one of the quick fixes below or leave a comment.