Send error code to 403 in Loan Fraud on error

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/service/LoanWritePlatformServiceJpaRepositoryImpl.java

@@ -3312,7 +3312,7 @@ public class LoanWritePlatformServiceJpaRepositoryImpl implements LoanWritePlatf
         final Map<String, Object> changes = new LinkedHashMap<>();
 
         if (!loan.isOpen()) {
-            throw new PlatformServiceUnavailableException("error.msg.loan.mark.as.fraud.not.allowed",
+            throw new GeneralPlatformDomainRuleException("error.msg.loan.mark.as.fraud.not.allowed",
                     "Loan Id: " + loanId + " mark as fraud is not allowed as loan status is not active", loan.getStatus().getCode());
         }