title: The merchant's account is not able to process transactions with activemerchant + Ruby on rails + Paypal
body: <p>want to parse a payment with PayPal using active merchant I did all the setting but response get the error like this if anyone can help me out then its great thanks in advance :) </p>
  
  <blockquote>
    <p>Response</p>
  </blockquote>
  
  <pre><code>======response===========#&lt;ActiveMerchant::Billing::Response:0x00000000061820d0 @params={"timestamp"=&gt;"2019-02-27T12:29:37Z", "ack"=&gt;"Failure", "correlation_id"=&gt;"21a7f98432854", "version"=&gt;"124", "build"=&gt;"46457558", "amount"=&gt;"10.00", "amount_currency_id"=&gt;"USD", "message"=&gt;"This transaction cannot be processed. The merchant's account is not able to process transactions.", "error_codes"=&gt;"10548", "Timestamp"=&gt;"2019-02-27T12:29:37Z", "Ack"=&gt;"Failure", "CorrelationID"=&gt;"21a7f98432854", "Errors"=&gt;{"ShortMessage"=&gt;"Invalid Configuration", "LongMessage"=&gt;"This transaction cannot be processed. The merchant's account is not able to process transactions.", "ErrorCode"=&gt;"10548", "SeverityCode"=&gt;"Error"}, "Version"=&gt;"124", "Build"=&gt;"46457558", "Amount"=&gt;"10.00"}, @message="This transaction cannot be processed. The merchant's account is not able to process transactions.", @success=false, @test=true, @authorization=nil, @fraud_review=false, @error_code=:processing_error, @emv_authorization=nil, @avs_result={"code"=&gt;nil, "message"=&gt;nil, "street_match"=&gt;nil, "postal_match"=&gt;nil}, @cvv_result={"code"=&gt;nil, "message"=&gt;nil}&gt;==========
  </code></pre>
  
  <p>**</p>
  
  <blockquote>
    <p>Error: This transaction cannot be processed. The merchant's account is
    not able to process transactions.</p>
  </blockquote>
  
  <p>**</p>