SocialOrbit

a. Image/Video Quality:

Instagram does not allow advertisers to boost a post with low image resolution because of it's poor results. Ensure to have a good resolution picture or video quality.

b.. Your linked page has an issue:

If You have a disabled ad account or issues with your ad count, you won't be able to promote anything on Instagram. Ensure to fix the problem FIRST.

c. Ensure you're linked to a valid ad account:

If your Instagram account is linked to an invalid ad account, else you won't be able to set up Ads on Instagram.

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