Fix Policy Error in Ads Setup

I'm encountering a policy error while setting up an ad campaign. The specific error message is "entity not found." This happens in the ads section.

I'm looking for an experienced professional who can troubleshoot and resolve this issue quickly. Ideal skills and experience include:

- Expertise in ad campaign setup
- Familiarity with policy errors and troubleshooting
- Experience with the platform I'm using (please specify which platform you are familiar with)
- Strong problem-solving skills

Please provide examples of similar work done and an estimated time for resolution.