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ServiceNow Service Catalog Cart API error Invalid Quantity value

 ServiceNow Service Catalog Cart API error Invalid Quantity value

if you get this http status 400 error when attempting the Service Catalog API POST operation (e.g. order_now) 

{"error":{"message":"Invalid Quantity value","detail":""},"status":"failure"}

this can be resolved by specifying the following in the request body of the REST Message POST content box


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