wooooocommercer When I open the program, it gives an error as unregistered and the program closes. Can you help with this

[pato]

When I open the program, it gives an error as unregistered and the program closes. Can you help with this
sfa

 

[vengeance]

deactivate the plugin and reactivate it

 

[ayaritech]

what wordpress andd woocommerce versions do you have?
any other woocommerce addon plugins installed?