If you are getting the error Error from Instagram: (#10) The user is not an Instagram Business it is because you have not switched your account to a Business Account.

To switch your Instagram account to a Business Account:

• Go to your Instagram Profile, in your Instagram App on your phone.
• Tap on the three bars in the upper right corner and select Settings.
• Specify your business category.
• Choose Business and then tap Next to continue.
• Add your business information accordingly and tap Next.

To connect your Instagram Business account to your business Facebook Page:

• Go to your Instagram profile and tap on Edit Profile.
• Under Public business information, select Page.
• Choose which Page you would like to connect to, or Create a New Facebook Page.