Javascript SDK - crash bug on large file load

I am trying to build a plugin with the PremierePro javascript SDK. 

I want to build a plugin that lets you upload a file.   I am reading my file with the code below.  However, the the code seems to crash on big files.  I am currently trying on a 700mb file.  Have you had any luck or related issues in the past?

Thanks!

code:

const fileContent = cep.fs.readFile(filePath, cep.encoding.Base64);

This is the error I see: