AdWords API UNEXPECTED_INTERNAL_API_ERROR Trying to Add one or more Criterion

Hello, I am getting a very generic error when I try to add new criterion. I am trying to add multiple operations at one time except I am getting an UNEXPECTED_INTERNAL_API_ERROR returned. I have tried reducing the number of operations per call all they way down to one and am consistently getting

AdWords API UNEXPECTED_INTERNAL_API_ERROR Trying to Add one or more Criterion

Hello, I am getting a very generic error when I try to add new criterion. I am trying to add multiple operations at one time except I am getting an UNEXPECTED_INTERNAL_API_ERROR returned. I have tried reducing the number of operations per call all they way down to one and am consistently getting