Webservice not working if PrestaShop Developer Mode set to on

I recently encountered a very strange error my Web Services  were not working when developer mode is on. To enable error reports you can follow this link. After a lot of struggle I found out there was a bug listed under PrestaShop Forge portal stating Can't read orders with web service.

Enable Web Service for PrestaShop Shop

In this training module we would enable web service under PrestaShop Shopp