Facebook Error #100 when uploading Offline Conversions using Marketing API
I am using the the Facebook Marketing API to upload offline conversions. The attached code was working until about 2 weeks ago and now reports the following error. {"error":{"message":"(#100) The parameter data is required","type":"OAuthException","code":100,"fbtrace_id":"HkpzkWB1I5g"}} I don't understand why it should…