Messages

I have made payment for the GREEK language and displays many errors.
Please for your help. We quote messages

1)AbanteCart engine cannot find value of language definition with key "text_setting_cache_drivers" in /home/...../public_html/......gr/core/lib/config_manager.php line 1270 (rt=setting/setting/system). Please add it in αυτή η σύνδεση or run language translate process in αυτή η σύνδεση

2)AbanteCart engine cannot find value of language definition with key "text_setting_php_exceed" in /home/.../public_html/.....gr/core/lib/config_manager.php line 1284 (rt=setting/setting/system). Please add it in αυτή η σύνδεση or run language translate process in αυτή η σύνδεση

3)AbanteCart engine cannot find value of language definition with key "text_storefront" in /home/..../public_html/.....gr/admin/controller/pages/setting/setting.php line 380 (rt=setting/setting/im). Please add it in αυτή η σύνδεση or run language translate process in αυτή η σύνδεση

4) Not show images. In English Lang ok but in Greek not

PLEASE HELP!!!