What kind of error is that?
With your payment method, make sure it's a valid method and you have enough money. Don't set the spending limit as well.
With your contents, try not to violate any policy.
With your technique, you could learn that on YT, many videos are up there.
P/s: If you need a tip, i have one for you here.
How to minimize the rejection from Facebook Ads.
Step 1: Set up your ad campaign as usual.
Step 2: After the ad campaign is "In review", turn off the ad. Keep the ad set and campaign on.
Step 3: After it's done reviewing, turn on the ad.
That's all. And don't forget to use cloaking