title: Cybersource rejects transaction with different values of purchaseTotals_grandTotalAmount
body: <p>When perform a transaction through CyberSource it accepts some amounts while rejects some value of amounts. e.g if i put following amount, CyberSource will reject transaction with Error Code 203.</p>
  
  <p><code>request.put("purchaseTotals_grandTotalAmount", "1500");</code></p>
  
  <p>while if i change the amount to any of following, CyberSource will Accept the transaction</p>
  
  <p><code>request.put("purchaseTotals_grandTotalAmount", "7676");</code>
  <code>request.put("purchaseTotals_grandTotalAmount", "324");</code></p>
  
  <p>i don't know what is the reason behind it. Is there any limitation or criteria for the amount or what. </p>