Blynk Arduino project abnormal behaviour

Hi all. I am new trying to use Blynk app with Arduino sketch. Blynk standalone example sketch works fine but when I want to upload any new Arduino blynk sketch with virtual pin then the code upload but in the middle of uploading it shows access denied messages. After uploading any way it is not connected with my nodemcu esp8266 but when I use Blynk example then it connect with Blynk cloud. Can anyone help to solve?

Your message is unclear. Please upload the sketch you are using. Please make sure to enclose it as under:
```cpp {paste code} ```

Please also paste the serial monitor output.