DATA 360 in flows badge - DATA Kit Error

Hello,

I'm doing the trailhead module " https://trailhead.salesforce.com/content/learn/modules/data-cloud-in-flows/set-up-a-custom-data-cloud-playground?trail_id=prepare-for-your-salesforce-data-360-consultant-exam"  and when trying to create the calculated insight from a data kit as mentionned , i cannot activate it and have this error :

Review your expression errors and try again.

• 1: Cannot find type for node External_Abandoned_Cart_c_Home__dlm.Id__c
• 2: Cannot find type for node External_Abandoned_Cart_c_Home__dlm.Guest_ID_c__c
• 3: Cannot find type for node External_Abandoned_Cart_c_Home__dlm.Guest_ID_c__c
• 4: Cannot find type for node ssot__Individual__dlm.ssot__Id__c
• 5: Cannot find type for node External_Abandoned_Cart_c_Home__dlm.CreatedDate__c
• 6: GREATER_THAN_OR_EQUAL operator must have the same type of arguments on both sides
• 7: Error getting FactTable ssot__Individual__dlm
• 8: Error getting FactTable External_Abandoned_Cart_c_Home__dlm
• 9: FullColumnName External_Abandoned_Cart_c_Home__dlm.Id__c cannot be found in dependencies or existing DMOs
• 10: FullColumnName External_Abandoned_Cart_c_Home__dlm.Guest_ID_c__c cannot be found in dependencies or existing DMOs
• 11: FullColumnName External_Abandoned_Cart_c_Home__dlm.CreatedDate__c cannot be found in dependencies or existing DMOs
• 12: FullColumnName ssot__Individual__dlm.ssot__Id__c cannot be found in dependencies or existing DMOs

Can you help please