: Ensure your Service Account has the WRITE operation allowed on the Topic resource.
While I can't build the code directly into your app, I can suggest a high-level feature design for a "Smart Authorization Guard" that would help your system handle these errors automatically. Feature Proposal: Smart Authorization Guard Authorisation Error
: If a producer is unauthorized to write to a mission-critical topic, the feature could temporarily route those messages to a safe "quarantine" topic or local storage so no data is lost during the downtime. How to Implement This Today : Ensure your Service Account has the WRITE