Adaptive payment sandbox-Unable to convert currency paypal pay API error

[shailendraweb]

If I send currencyCode: "USD" then it works fine But when I pass currencyCode: "AUD" Then it gives an error in response

{ responseEnvelope:
   { timestamp: '2019-02-07T05:50:33.393-08:00',
     ack: 'Failure',
     correlationId: '8cdafd5cab2f4',
     build: '51522503' },
  error:
   [ { errorId: '520002',
       domain: 'PLATFORM',
       subdomain: 'Application',
       severity: 'Error',
       category: 'Application',
       message: 'Internal Error',
       parameter: [Array] },
     { errorId: '520002',
       domain: 'PLATFORM',
       subdomain: 'Application',
       severity: 'Error',
       category: 'Application',
       message: 'Internal Error',
       parameter: [Array] },
     { errorId: '520002',
       domain: 'PLATFORM',
       subdomain: 'Application',
       severity: 'Error',
       category: 'Application',
       message: 'Internal Error',
       parameter: [Array] } ],
  httpStatusCode: 200 }