I can't create a Sponsored Brand (SB) strategy

I can create manual SB campaigns but can't create an SB strategy in m19

Before proceeding, please check if you can manually create a sponsored brand campaign using the Advertising Console. If you are able to do so but are still unable to create an SB strategy in m19, the issue may be with Amazon's API. To resolve this, please create a support ticket with Amazon and include the following information :

I'm a seller with a registered brand in Brand Registry; however, I am not able to get my brand *The Name of your Brand* through GET /brands. The root cause is that the brand is missing a LBR node, please help create a LBR node for this brand.

This will trigger the Ads Console support Teams of Amazon to fix the missing LBR node problem and you will be able to create SB strategies in m19.