VM Migrator

[glenanpl]

Hi,
with Joomla 3.6.5 and Virtuemart 3.2.1 and VM Migrator
the installation is OK
After installing "VM Mondial Relay" I want to refresh the orders and invoice
but there is an error message
vm_orders: Something went wrong... Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. You have to change some columns to TEXT or BLOBs SQL=ALTER TABLE `#__virtuemart_orders` ADD `customer_note` varchar(19000);
In phpMyAdmin in table vm_orders, I only see a field customer_number, but no other fields customer_%
What can I do?
Regards
PL