Error when creating a new payment method

[Langagemachine]

Hi community,
When i create a new payment method i have this message error.


Error

vmError: VmTable #__virtuemart_paymentmethods_fr_fr Check not passed. Neither slug nor obligatory value at payment_name for auto slug creation is given 0
failed

My site is in mutltilangage but only the french language is activated.

Joomla! 3.8.2
VirtueMart 3.2.4