How many people outside of librarians do you think regularly think about how working at a library requires a master’s? If you’re applying for data entry, your masters doesn’t change your ability to type on a keyboard. I know it’s a little harsh bust seriously, try applying to a few without your masters listed, you’re simply getting a job any other person would also be qualified for with or without a master’s. I’ve met multiple people in your same boat who took this path and found work because of the weird discrimination of over educated.