error dialog introduced

ui/hv2-ui/src/app/error-dialog/error-dialog.component.ts

@@ -0,0 +1,24 @@
+import { Component, Inject, OnInit } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
+import { ErrorDialogData } from '../error-dialog-data';
+
+@Component({
+  selector: 'app-error-dialog',
+  templateUrl: './error-dialog.component.html',
+  styleUrls: ['./error-dialog.component.css']
+})
+export class ErrorDialogComponent implements OnInit {
+
+  constructor(
+    public dialogRef: MatDialogRef<ErrorDialogComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: ErrorDialogData
+  ) { }
+
+  onNoClick(): void {
+    this.dialogRef.close()
+  }
+
+  ngOnInit(): void {
+  }
+
+}