Hello,
Data migration is the most crucial stage in the Magento migration process. Even if you made even just a small mistake, you might have to pay a huge price such as losing a store or customer data. It takes from 2-5 working days to conduct data migration, which is based on the number of your products, orders, and customers.
You can delete it in Magento 2 admin panel after migration. Or use Magento 2 API for automatically deleting or
I try of ignore the attributes of customer for example cedula my code is
<attribute type="customer">cedula</attribute>
Document: eav_attribute_group. Fields: attribute_group_code,tab_group_code
[2017-02-27 14:32:53][ERROR]: Source fields are not mapped. Document: catalog_eav_attribute. Fields: is_required_in_admin_store,is_used_in_grid,is_visible_in_grid,is_filterable_in_grid,search_weight,additional_data