[2025-11-10 22:17:57] [stockchecker] Lock acquired successfully. PID: 3092119
 Exception when calling FbaInventoryV1Api->getInventorySummaries: Client error: `POST https://api.amazon.com/auth/o2/token` resulted in a `401 Unauthorized` response:
{"error_description":"Client authentication failed","error":"invalid_client"}

<br><br><br>Script executed in 0.27080512046814 seconds.[2025-11-10 22:17:57] [stockchecker] Lock released successfully.