Error:
Debug: _doQuery: [Error message: Could not execute statement] [Last executed query: SELECT category_id FROM product_category_map WHERE (product_id = '') AND (type = '0') LIMIT 1;] [Native message: ERROR: invalid input syntax for integer: "" LINE 1: ..._id FROM product_category_map WHERE (product_id = '') AND (t... ^]

Code: -11
Message: MDB2 Error: invalid number
Additional Info: Unable to retrieve primary category id for product.