Estonia Language problem

hello i have a problem Estonia Language. i am using shoppica theme.
when I click on Wish List (0), My Account, Shopping Cart, on header i get this errors.

Opencart 1.5.1.3

http://localhost/1513/index.php?route=account/login
Notice: Error: Could not load language basico! in C:\xampp\htdocs\1513\system\library\language.php on line 26

http://localhost/1513/index.php?route=account/login
Notice: Error: Could not load language basico! in C:\xampp\htdocs\1513\system\library\language.php on line 26

http://localhost/1513/index.php?route=checkout/cart
Notice: Error: Could not load language basico! in C:\xampp\htdocs\1513\system\library\language.php on line 26

Need help