At the address:
administrator/index.php?option=com_virtuemart&view=userfields
When updating client fields, I get a warning from the database
QuotevmError: vmTable store updateObject Incorrect integer value: '' for column 'cols' at row 1 UPDATE `satan_virtuemart_userfields` SET [...]
Trying to save the string/varchar value '' (an empty string) to the column
'cols' and
'rows' which is an integer type.