3379868 - SAP Marketing Cloud - CBO is not displayed in the Content Studio for selection

You have created a Custom Business Object(CBO), but cannot be used in the Content studio because it cannot be selected.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• SAP Marketing Cloud Edition

1. Go to Content Studio and select your Email.
2. Click on the content of the Email.
3. Search for your custom CBO.
4. The CBO is missing and cannot be found. 

The CBO is assigned to a Segmentation Profile, and this needs to be added in the Personalization for the Email settings.

1. Go to the Settings tab in your Email, and in the Personalization field you can assign the Segmentation profile which has our CBO.

2. Then you should be able to select your CBO in when clicking on "Show your settings":

3. Flag your CBO from the displayed attributes list

https://help.sap.com/docs/SAP_MARKETING_CLOUD/13d84c47bb6749a188fd53915c256516/38ec24c4bdf5420a9eb07731f1f0dc87.html?q=CBO%20in%20content%20studio

CBO, Personalization, customer attribute , KBA , CEC-MKT-MEM , Content Studio: E-Mails and other messages , Problem