Hi Muhammad,
This error is being thrown by the Python client library because it
can't find your authentication pickle file.
http://code.google.com/p/google-api-adwords-python-lib/source/browse/trunk/aw_api/Client.py#210
If you believe this is a problem with the library please create an
issue
Hi,
I am trying to connect to the sandbox account with my email and
password with the instruction given to
http://code.google.com/apis/adwords/docs/developer/adwords_api_sandbox.html#requestheaders.
But unfortunately it is giving me the following error trace,
Traceback (most recent call last):