You fired an API request to an endpoint that explicitly requires the `Amazon-Advertising-API-Scope` header to know *which* agency client to act on, but you forgot it entirely.
You fired an API request to an endpoint that explicitly requires the Amazon-Advertising-API-Scope header to know which agency client to act on, but you forgot it entirely.
Ensure your request utility class globally appends Amazon-Advertising-API-Scope: [PROFILE_ID_HERE] as an HTTP header to absolutely every mutable request going outbound.
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