diff --git a/src/app/user.service.ts b/src/app/user.service.ts
index 7b16793..f65880d 100644
--- a/src/app/user.service.ts
+++ b/src/app/user.service.ts
@@ -56,12 +56,9 @@ export class UserService{
 		countries: []
 	};
 	private uZaddr = '';
-	private oZaddr = '';
-	private uName = '';
 	private session: string | null = '';
 	private _uZaddrUpdated: BehaviorSubject<string> = new BehaviorSubject(this.uZaddr);
 	private _userUpdated: BehaviorSubject<User> = new BehaviorSubject(this.dataStore.user);
-	private uNameUpdated = new Subject<string>();
 	private _ownerUpdated: BehaviorSubject<Owner> = new BehaviorSubject(this.dataStore.owner);
 	private _txsUpdated: BehaviorSubject<Tx[]> = new BehaviorSubject(this.dataStore.txs);
 	private _paidUpdated: BehaviorSubject<boolean> = new BehaviorSubject(this.dataStore.owner.paid);
@@ -86,7 +83,8 @@ export class UserService{
 	}
 
 	getCountries() {
-		let obs = this.http.get<{message: string, countries: any}>(this.beUrl+'api/countries', { headers: this.reqHeaders, observe: 'response'});
+		const params = new HttpParams().append('session', this.session!);
+		let obs = this.http.get<{message: string, countries: any}>(this.beUrl+'api/countries', { headers: this.reqHeaders, params: params, observe: 'response'});
 
 		obs.subscribe((CountryResponse) => {
 			if (CountryResponse.status == 200) {
@@ -133,7 +131,7 @@ export class UserService{
 	
 	validateUser(pinString:string){
 		const params = new HttpParams().append('session', this.dataStore.user.session).append('pin', pinString);
-		let obs = this.http.post(this.beUrl+'api/validateuser', {}, {headers: this.reqHeaders, params: params, observe: 'response'});
+		let obs = this.http.post(this.beUrl+'validateuser', {}, {headers: this.reqHeaders, params: params, observe: 'response'});
 		obs.subscribe((responseData) => {
 			if (responseData.status == 202) {
 				console.log('Pin validated!');
@@ -150,17 +148,20 @@ export class UserService{
 	addOwner(owner: Owner) {
 
 		owner.address = this.dataStore.user.address;
-		let obs = this.http.post(this.beUrl+'api/owner', {payload: owner}, {headers: this.reqHeaders});
+		const params = new HttpParams().append('session', this.session!);
+		let obs = this.http.post(this.beUrl+'api/owner', {payload: owner}, {headers: this.reqHeaders, params: params});
 
-		obs.subscribe((responseData) => {
-			//console.log("Entra a console log");
-			this.getOwner(this.dataStore.user.address);
-		}, (error) => {
-			//console.log("Status is : [" + error.status + "]");
-			if ( error.status = 500 ) {
-				this.notifierService
-				    .showNotification("Invalid Viewing Key, changes not saved!!","Close",'error');
-			};
+		obs.subscribe({
+			next: (responseData) => {
+				//console.log("Entra a console log");
+				this.getOwner(this.dataStore.user.address);
+			},
+			error: (error) => {
+				//console.log("Status is : [" + error.status + "]");
+				if ( error.status = 500 ) {
+					this.notifierService .showNotification("Invalid Viewing Key, changes not saved!!","Close",'error');
+				};
+			}
 		});
 
 		return obs;
@@ -168,7 +169,7 @@ export class UserService{
 
 	getOwner(address: string) {
 		console.log('getOwner', address);
-		const ownParams = new HttpParams().append('address', address);
+		const ownParams = new HttpParams().append('address', address).append('session', this.session!);
 		let obs = this.http.get<{message:string, owner: any}>(this.beUrl+'api/owner', { headers: this.reqHeaders, params: ownParams, observe: 'response'});
 
 		obs.subscribe((OwnerDataResponse) => {
@@ -187,12 +188,13 @@ export class UserService{
 	}
 
 	deleteUser() {
-		let obs = this.http.delete<{message: string}>(this.beUrl+'api/user/'+this.dataStore.user._id, {headers: this.reqHeaders });
+		const params = new HttpParams().append('session', this.session!);
+		let obs = this.http.delete<{message: string}>(this.beUrl+'api/user/'+this.dataStore.user._id, {headers: this.reqHeaders, params: params });
 
-		obs.subscribe(UserResponse => {
+		obs.subscribe({next: () => {
 			//console.log('User delete request sent.');
 			this.findUser();
-		});
+		}});
 
 		return obs;
 	}