Ads disapproved due to custom 404 error
Re: Ads disapproved due to custom 404 error
You shouldn't be using any 404 error pages as Landing page in your ad. Instead, you should point the users to the right specific working landing page depending upon which services you are promoting online.
Read this policy for more insights and make the changes accordingly:- https://support.google.com/adwordspolicy/answer/6021546?hl=en&vid=1-635775460897875451-2931972514