Ad error codes appear as anonymous numbers when ad playback is interrupted and contain little or no information about the cause or possible solutions. With a little research and experimentation, and the help of WatchingThat, here are the top 3 mistakes in video ads:

1) Error 301

2) Error 402

3) Error 901

If you want more information You can read this blog: https://www.batterseawebexpert.com/blog/reasons-why-your-google-ads-are-getting-disapproved/ style="font-weight: 400;">