errors when importing CSV file

Attempted to import the attached CSV and received three errors (attached) in the OUH instance.
[NPEU_Data_Dictionary_Final.csv](https://github.com/MauroDataMapper-Plugins/mdm-plugin-csv/files/6509187/NPEU_Data_Dictionary_Final.csv)
<img width="1079" alt="Screenshot 2021-05-19 at 14 38 44" src="https://user-images.githubusercontent.com/67739552/118822917-79136080-b8b0-11eb-9ccf-a3cf3cf73b9b.png">

