I suppose that on second image you have csv file opened from text editor. To import such file you have to configure custom import format under custom import settings, or simply insert header row as first line of file like this:
after some test if i put the ID it imports properly.
but in my price list i need to have only 2 column SKU and PRICE
Seems it cannot find with SKU only
it must be something specific to your site. You can send us /wp-admin access using This email address is being protected from spambots. You need JavaScript enabled to view it. and we will check this for you