Problem Statement
Issue: When attempting to update inventory levels for products in Shopify, the application consistently returns the following errors:
Error updating inventory: { errors: 'Not Found' }
Error fetching inventory levels: { errors: 'Not Found' }
Context:
You have a Node.js application that listens for inventory updates from Shopify via webhooks.
Upon receiving an update (e.g., available products), your application sends a request to Shopify's API to update the inventory by adding a specified quantity (e.g., +10).
Despite verifying the Inventory Item ID and Location ID, the API responses indicate that the gives following
