One SCORM file of the 6 languages not correct

Hi! I posted before that Thinkific was keeping my language selection stuck and I wasn't being prompted for the language when I re-entered a course.

We took a different approach and decided to export all of the languages separately. When I export all of the files, one file, the Spanish one, is significantly smaller than the rest of the files and fails on upload. All other languages work. I've done this for 3 courses, and the problem only exists in one of them. What can be causing the one file to not be created correctly? I tried SCORM 1.2 and also 2004, 4th edition, with the exact same issues. You can see in the attached screenshot that the spanish file is only 16KB when all of the other files are 390,000.

Are there certain content types that don't work for translated content? I don't see anything different in this course than the other 2, nor can I think why it would only be a problem for one of the 6 languages.

Is there a way to only publish Spanish? I couldn't find a way to do that. 

Would really appreciate any help and ideas. We're really struggling to get our first multi-lingual courses out with these issues.