Elkarte 1.1 -> 2.0 Upgrade Error

[tinoest]

When doing a clean install of Elkarte 1.1.8 and then trying to upgrade to Elkarte 2.0 you get the following error.

Warning: Undefined array key "theme_language_error" in /var/www/html/sources/ElkArte/Languages/Loader.php on line 141

Warning: Undefined array key "database_error" in /var/www/html/sources/ElkArte/Database/Mysqli/Query.php on line 381
Table 'elkarte.elk11_languages' doesn't exist