On this page, you will find more information about the most common causes and most relevant solutions for the Facebook API error '4'. Do you need help straight away? Visit our support page.
The Facebook Inc. documentation indicates that error code '4' is caused by the following problem: "API Too Many Calls".
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Temporary issue due to throttling. Wait and retry the operation, or examine your API request volume.
Do you still have problems with this error? Try one of the quick fixes below or leave a comment.