FINERACT-1724: Fix grammar in error message

fineract-provider/src/main/java/org/apache/fineract/infrastructure/businessdate/exception/BusinessDateNotFoundException.java

@@ -35,7 +35,7 @@ public class BusinessDateNotFoundException extends AbstractPlatformResourceNotFo
     }
 
     public static BusinessDateNotFoundException notFound(final String type, Throwable... e) {
-        return new BusinessDateNotFoundException("error.msg.businessdate.not.found",
-                "Business date with type `" + type + "` does not found.", type, e);
+        return new BusinessDateNotFoundException("error.msg.businessdate.not.found", "Business date with type `" + type + "` is not found.",
+                type, e);
     }
 }

fineract-provider/src/main/java/org/apache/fineract/portfolio/delinquency/exception/DelinquencyBucketNotFoundException.java

@@ -34,6 +34,6 @@ public class DelinquencyBucketNotFoundException extends AbstractPlatformResource
 
     public static DelinquencyBucketNotFoundException notFound(final Long id, Throwable... e) {
         return new DelinquencyBucketNotFoundException("error.msg.delinquency.bucket.not.found",
-                "Delinquency bucket with id `" + id + "` does not found.", id, e);
+                "Delinquency bucket with id `" + id + "` is not found.", id, e);
     }
 }

fineract-provider/src/main/java/org/apache/fineract/portfolio/delinquency/exception/DelinquencyRangeNotFoundException.java

@@ -33,6 +33,6 @@ public class DelinquencyRangeNotFoundException extends AbstractPlatformResourceN
 
     public static DelinquencyRangeNotFoundException notFound(final Long id, Throwable... e) {
         return new DelinquencyRangeNotFoundException("error.msg.delinquency.range.not.found",
-                "Delinquency range with id `" + id + "` does not found.", id, e);
+                "Delinquency range with id `" + id + "` is not found.", id, e);
     }
 }