As par Week 2 unit 4 https://github.com/SAP-samples/fiori-elements-opensap/blob/main/week2/unit4.md I created the Fiori project in BAS and then trying to preview the application. But I am getting CSRF token error as shown below.   
As par Week 2 unit 4 https://github.com/SAP-samples/fiori-elements-opensap/blob/main/week2/unit4.md
I created the Fiori project in BAS and then trying to preview the application. But I am getting CSRF token error as shown below.