The client application version is different from the Mart Server version. Install the same version of the application and the Mart Server and then try.
How to resolve when trying to connect to the Mart using server name or IP address from the same machine the Mart is installed on and get the error below?
If this is actually not an incompatibility issue (meaning that erwin and Mart versions are same), then it is most likely some hiccup between the Mart Services and the web browser which may not be interpreting it correctly. To remedy that, try the following steps:
1. Open the Web Browser, e.g. IE.
2. Click on Internet options.
3. Go to Security Tab.
4. Make security level to low.
5. Click on Sites.
http://[machine-name]:18170/MartAdmin/ --> replace machine name with actual server name
http://[IP address]:18170/MartAdmin/ --> replace IP address with actual IP address