Help me in solving SQW29 problem

help
,
1

My issue

find error in this

My code

SELECT 
    dps.product_type, 
    dps.product_id, 
    dps.units_sold, 
    dps.month
FROM 
    division_product_sales dps
JOIN 
    product_catalog pc ON dps.product_id = pc.product_id
JOIN 
    monthly_sales ms ON dps.month = ms.month
WHERE 
    pc.product_type = 'High_Margin';

Learning course: Database management systems
Problem Link: Project - JOIN and Filtering in Database management systems