I want a Texture size above 32768px

Development Asset Creation
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2

https://translate.google.de/#auto/de/%E3%83%86%E3%82%AF%E3%82%B9%E3%83%81%E3%83%A3%E3%82%B5%E3%82%A4%E3%82%BA%E3%82%9232768px%E4%BB%A5%E4%B8%8A%E3%81%AB%E3%81%97%E3%81%9F%E3%81%84%0A%0A%E3%81%97%E3%81%8B%E3%81%97%E5%AE%9F%E9%9A%9B%E3%81%AB%E3%81%AF%E3%80%81%E8%BC%B8%E5%87%BA%E3%83%A2%E3%83%87%E3%83%AB%E8%A8%AD%E5%AE%9A32k%E3%81%A7%E8%A8%AD%E5%AE%9A%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%81%A6%E3%82%8216k%E3%81%AB%E3%81%AA%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82%0A%0A%E7%A7%81%E3%81%AF%E4%BD%95%E3%82%92%E3%81%99%E3%81%B9%E3%81%8D%E3%81%8B%EF%BC%9F

spews this out:

“I want to make the texture size 32768px or more. In fact, however, even if it is set with the export model setting 32k it will be 16k. what should i do?”  I’m still amazed by this…  

Anyway, I thought that 16k is the maximum texture size in RC. Where can you set 32k for export?