600010 error in turnstile

class CloudflareCaptchaClass{
    constructor(){
        this.token = null;
    }

    async waitAndReturnToken(){
        let counter = 0;
        while(counter < 20){
            if(this.token != null){
                return this.token;
            }
            await this.delay(100);
            counter++;
        }
        return null;
    }

    renderCaptcha(elementNumber){
        let sitekey = '0xmykey';
        //console.log("rendering with sitekey: " + sitekey);

        window.turnstile.render(('#cf-captchacontainer-' + elementNumber), {
            sitekey: sitekey,
            callback: (token) => {
                //console.log(`Challenge Success ${token}`);
                this.token = token;
            },
            'expired-callback': () => {
                console.log('Captcha expired');
            },
        });
    }

    delay(milliseconds){
        return new Promise(resolve => {
            setTimeout(resolve, milliseconds);
        });
    }
}

class CloudflareCaptchaClass{
    constructor(){
        this.token = null;
    }

    async waitAndReturnToken(){
        let counter = 0;
        while(counter < 20){
            if(this.token != null){
                return this.token;
            }
            await this.delay(100);
            counter++;
        }
        return null;
    }

    renderCaptcha(elementNumber){
        let sitekey = '0xmykey';
        //console.log("rendering with sitekey: " + sitekey);

        window.turnstile.render(('#cf-captchacontainer-' + elementNumber), {
            sitekey: sitekey,
            callback: (token) => {
                //console.log(`Challenge Success ${token}`);
                this.token = token;
            },
            'expired-callback': () => {
                console.log('Captcha expired');
            },
        });
    }

    delay(milliseconds){
        return new Promise(resolve => {
            setTimeout(resolve, milliseconds);
        });
    }
}