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I am looking for an experienced AWS developer to help finalize my project involving automatic downloads from my Amazon seller account. The project is almost complete, but I need assistance in identifying and fixing a bug that is preventing it from functioning correctly. If you have a strong background in AWS services and troubleshooting, please reach out. Your expertise will be crucial in bringing this project to completion. I have set up Lambda functions, Step Functions, Secrets Manager and IAM. From CloudWatch, it seems it is failing at the grantig permission stage: An error occurred requesting sales_traffic: ('invalid_grant', "The request has an invalid grant parameter : refresh_token. User may have revoked or didn't grant the permission.", 400) Because I've set up so much, I don't believe there is too much that needs fixed here,but I need to get costs for 3 stages: 1. fix this initial problem 2. 1 plus set up QuickSight based on the data we download 3. 2 plus automatic price changes depending on existing prices and my costs 2 hope I canprobably do myself, and 3 is the long term goal....but putting it out there now in case it makes sense to get it from someone who knows what they're doing;;;; Relevant Skills: - AWS services (S3, Lambda, etc.) - Amazon Seller API integration - Debugging and troubleshooting - Python or JavaScript programming - Familiarity with RESTful APIs