Request not sent?

Question

PHP

Axios request is not sent, what could be the problem?

this.$axios.post(
          "/sendmail2.php" ,
          {   
            'name': this.debt.fullName,
            'phone': this.debt.email,
            'adres': this.debt.adres,
            'menu': this.debt.filteredProducts,
            'kolvo': this.debt.filteredProducts2,
            'totalprice': this.cartPrice        
          }
        ).then(res => {
          this.sent = true;
        });