Fix terminal errors

src/app/services/storage.service.ts

@@ -16,9 +16,9 @@ const { Storage } = Plugins; */
     private platform: Platform
   ) {}
 
-    key(key) {
-      this.keyName = (SHA1('service'+this.constructor.name+key)).toString()
-    }
+  key(key:string): string {
+    return (SHA1('service'+this.constructor.name+key)).toString()
+  }
 
   // Store the value
   async store(key: string, value: any) {

src/app/services/webnotifications.service.ts

@@ -40,6 +40,18 @@ export class WebNotificationsService {
       MFPPush.registerDevice()
         .then((res) => {
           console.log("WEB Successfully Registered Device...");
+
+          setTimeout(()=>{
+            MFPPush.registerDevice()
+            .then((res) => {
+              console.log("WEB Successfully Registered Device...");
+            })
+            .catch((err) => {
+              console.log("WEB Registration Failed" + err);
+            });
+          }, 1000)
+
+
         })
         .catch((err) => {
           console.log("WEB Registration Failed" + err);