Hi Lydia
Thank you for looking into the issue. I didn't want to post the whole text file due to its size (it's over 1 MB) but basically these three lines are repated in the file. The only difference is the timestamp and the duration.
Thanks again
DataMashup.Trace Information: 24579 : {"Start":"2016-11-25T14:15:36.5901343Z","Action":"Library/Common/RetryPolicy/ExecuteAction","TryCount":"3","RetryAlgorithm":"ExponentialBackoff","ProductVersion":"2.40.4554.421 (PBIDesktop)","ActivityId":"240ba349-48ac-477e-9d9d-e287c6164db3","Process":"Microsoft.Mashup.Container.NetFX40","Pid":5492,"Tid":1,"Duration":"00:00:00.0028046"}
DataMashup.Trace Information: 24579 : {"Start":"2016-11-25T14:15:36.5900977Z","Action":"Engine/IO/Web/Request/GetResponse","RequestMethod":"GET","RequestUri":"https://us6.api.mailchimp.com/3.0/campaigns/?count=100&offset=0","RequestHasContent":"False","RequestHasHeaders":"True","RequestHasTimeout":"True","UseCache":"True","ResponseStatusCode":"200","ProductVersion":"2.40.4554.421 (PBIDesktop)","ActivityId":"240ba349-48ac-477e-9d9d-e287c6164db3","Process":"Microsoft.Mashup.Container.NetFX40","Pid":5492,"Tid":1,"Duration":"00:00:00.0028543"}
DataMashup.Trace Information: 24579 : {"Start":"2016-11-25T14:15:36.6042853Z","Action":"Library/Common/RetryPolicy/TryExecuteAction","Attempt":"1","ProductVersion":"2.40.4554.421 (PBIDesktop)","ActivityId":"240ba349-48ac-477e-9d9d-e287c6164db3","Process":"Microsoft.Mashup.Container.NetFX40","Pid":5492,"Tid":1,"Duration":"00:00:00.0008897"}