unable to add product, even after paypal verification

[IamSpartan87]

Currently getting an error page: The page cannot be displayed because an internal server error has occurred.

[Damo]

Please give all the steps needed to reproduce the error as an an internal server error can happen for man many reasons

[Damo]

When I checked your upload you had not included the KMSC.dll in your zip folder.  The minimum files you need to include in your upload are KMSC.dll and the .exe file from you release folder of your built project.  There may also be other files, particularly DLL files that you have added as references to your project that should also be included in your zip file that you upload