Hi Sana, Firstly, can you ensure you're using the latest version of the client library?
The current version is v4.1.1<https://code.google.com/p/google-api-adwords-php/source/detail?r=fb77b15103b75dae2fd73b1d200bb6f7c4f246eb>and can be downloaded here <https://code.google.com/p/google-api-adwords-php/downloads/list>. Version 4.1.0<https://code.google.com/p/google-api-adwords-php/source/detail?r=de9c5903fd5b288cc0e78235deb19d9d752d8154>may have an issue that would manifest it's self as that error. Secondly, have you made a successful request to any other service? Regards, - Paul, AdWords API Team. -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and discussion group: http://adwordsapi.blogspot.com http://groups.google.com/group/adwords-api =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ 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. For more options, visit https://groups.google.com/groups/opt_out.