need "json2csv" package for csv generation.

src/package.json

@@ -25,8 +25,8 @@
     "docx": "^6.0.3",
     "express": "~4.16.1",
     "express-cassandra": "^2.3.2",
-    "express-csv": "0.6.0",
     "express-cluster": "0.0.5",
+    "express-csv": "0.6.0",
     "express-fileupload": "^1.2.1",
     "express-validator": "^6.6.1",
     "form-data": "^4.0.0",
@@ -35,6 +35,7 @@
     "http-errors": "^1.6.3",
     "image-size": "^0.9.7",
     "jade": "~1.11.0",
+    "json2csv": "^5.0.6",
     "jsonwebtoken": "^8.5.1",
     "kafka-node": "^3.0.1",
     "lodash": "^4.17.15",
@@ -58,8 +59,8 @@
     "sb_telemetry_util": "file:libs/sb_telemetry_util",
     "sequelize": "^5.21.5",
     "underscore": "^1.9.2",
-    "uuid": "^3.2.1",
     "utf8": "^3.0.0",
+    "uuid": "^3.2.1",
     "xhr2": "^0.2.1"
   },
   "devDependencies": {