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ServiceNow Service Catalog Cart API error Exception While Reading Request

 ServiceNow Service Catalog Cart API error Exception While Reading Request



if you get this http status 500 error when attempting the Service Catalog API POST operation (for example, order_now)

com.glide.rest.domain.ServiceException: Exception while reading request


Consider what roles your user might need to authenticate (e.g. rest) and also setting this property to 'allow': glide.sc.req_for.roles.default

Consider adding these to the HTTP Headers of the REST Message:

Acceptapplication/json
Content-Typeapplication/json


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