My application returns an error of "CUSTOMER_SERVING_TYPE_REPORT_MISMATCH". I read that there are two possible reasons:
1) Attempting to create a cross-client report in a regular (ad serving)
AdWords account.
2) Attempting to create a single-client report in an MCC account.
How can I know what type of report i try to create: single-client report or cross-client report?
I do request through test MCC account.