Hello Walter, The error you are receiving implies that you are using the REMOVE operator, which is not supported for the ConversionTrackerService <https://developers.google.com/adwords/api/docs/reference/v201506/ConversionTrackerService#mutate> .
However, if you are using the ADD or SET operator here and are getting this error, then could you please send me through *reply privately to author* your SOAP XML request and response, so that I could try and see what is causing this issue? Thanks, Anthony AdWords API Team -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en --- You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To unsubscribe from this group and stop receiving emails from it, send an email to adwords-api+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/adwords-api. To view this discussion on the web visit https://groups.google.com/d/msgid/adwords-api/5887280a-8bcb-4a7f-ba52-c21ae0660278%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.