When the error message just says null. this can be caused by one of the following issues
- This error occurs when a dependency is missing from the PC that is required for the connection to EMIS to work correctly. Please have your IT team install .NET 3.5, and this error should resolve. Your IT team can download .NET 3.5 from https://www.microsoft.com/en-gb/download/details.aspx?id=21.
- If using the Custom server option, if there are any additional special characters in the API URL such as a extra space.