If you don't understand what technical information they need to do their job then you lack technical skills. If you don't understand what technical information you need to request from others then you lack technical skills. If you can't write them down or express them in words you lack technical skills. If you can do those things then you can work with others and be productive.
You might not be fit for a career in sales but that is not what we are discussing. The only major "social skill" you need is the ability to not offend or inconvenience others. This part is not very hard and doesn't need repeating as much as people do it.