FINERACT-1971: Fix for allowing null default values for LoanAccountDeliquencyRangeDataV1 avro schema for installment level delinquency info
diff --git a/fineract-avro-schemas/src/main/avro/loan/v1/LoanAccountDelinquencyRangeDataV1.avsc b/fineract-avro-schemas/src/main/avro/loan/v1/LoanAccountDelinquencyRangeDataV1.avsc
index 95d504c..53fca42 100644
--- a/fineract-avro-schemas/src/main/avro/loan/v1/LoanAccountDelinquencyRangeDataV1.avsc
+++ b/fineract-avro-schemas/src/main/avro/loan/v1/LoanAccountDelinquencyRangeDataV1.avsc
@@ -52,11 +52,15 @@
             ]
         },
         {
+            "default": null,
             "name": "installmentDelinquencyBuckets",
-            "type": {
-                "type": "array",
-                "items": "org.apache.fineract.avro.loan.v1.LoanInstallmentDelinquencyBucketDataV1"
-            }
+            "type": [
+                "null",
+                {
+                    "type": "array",
+                    "items": "org.apache.fineract.avro.loan.v1.LoanInstallmentDelinquencyBucketDataV1"
+                }
+            ]
         }
     ]
 }