Good day, 

Thank you for contacting us on the Sage City forum. I have found the following information to assist you with your query and this information is available on the Sage Knowledge base via this link Error: "An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of .NET Framework" (sage.com)

Thank you for your help. the link helped me solved the problem. 

Thank you for the feedback. 

Hi Angelique Nel since the steps shared did solve the problem

Please kindly Verify the answer provided. To Verify an answer please click on More on the suggested answer shared by Nolo Mahlangu>> Verify Answer

This will contribute to helping other members of the community know that we were able to solve your question.

Sharon