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SAP Knowledge Base Article - PreviewSymptom
The External Approval API for Sourcing and Supplier Management returns an HTTP 500 internal server error when attempting to approve/deny a task; response body includes an error message: you already approved this request or you already denied this request.
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Product
SAP Ariba Sourcing, cloud edition all versions ; SAP Ariba Supplier Lifecycle and Performance all versions
Keywords
External Approval API, Supplier Management, SLP, HTTP 500, internal server error, deny task, already processed, already denied, pendingApprovables, REST API, task status, approval workflow, OpenAPI, entity approval, idempotent handling , KBA , BNS-ARI-SLP-API , Supplier Lifecycle & Performance - Open API , BNS-ARI-SS-API , Strategic Sourcing - REST API , Problem
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