Yesterday, I bought Titan Quest Gold via Steam and installed it with the German language files. After starting the Immortal Throne add-on, it imported my old characters from an old profile. After that, I faced the generally known "tag not found"-bug and fixed it with an update of the Text_DE.arc (211KB)
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But there are still many missing tags which seem only to refer to the new features which were included with the add-on. The enchantment window, for example, is completely unusable. I've also tried to repatch the game to English but the add-on content texts were still missing.
I have searched for a solution, but I only found fixes for the general "tag not found" bug. How can I fix this bug?