diff --git a/src/app/_helpers/export-csv.ts b/src/app/_helpers/export-csv.ts
index 6962ae0..7100842 100644
--- a/src/app/_helpers/export-csv.ts
+++ b/src/app/_helpers/export-csv.ts
@@ -1,5 +1,5 @@
 function exportCsv(arrayData: any[], filename: string, delimiter = ','): void {
-  if (arrayData === undefined) { return; }
+  if (arrayData === undefined || arrayData.length === 0) { return; }
   const header = Object.keys(arrayData[0]).join(delimiter) + '\n';
   let csv = header;
   arrayData.forEach(obj => {
diff --git a/src/app/_interceptors/error.interceptor.ts b/src/app/_interceptors/error.interceptor.ts
index 1aef324..96c404f 100644
--- a/src/app/_interceptors/error.interceptor.ts
+++ b/src/app/_interceptors/error.interceptor.ts
@@ -1,4 +1,4 @@
-import {Injectable, isDevMode} from '@angular/core';
+import {Injectable} from '@angular/core';
 import {
   HttpRequest,
   HttpHandler,