3805100 - Why am I receiving the error message: "Vendor Not Found" when running the Supplier Data Pagination Processes endpoint API?

• An error occurs when invoking Supplier Data Pagination V4 API to retrieve vendor processes
• API call to GET /api/supplierdatapagination/v4/prod/vendors/ {vendorID}/processes?realm={realm} fails.
• Exact error: Vendor Not Found.
• Status code: 420.
• The vendor exists in the environment 

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