Can't load any txt over 100kb

[Airmiz]

Whenever I try to select anything over 100 kb I get

[nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package punkt to ./assets... [nltk_data] Package punkt is already up-to-date!

and the program crashes. Any ideas? Thanks,