We need to check your license/site activation key to understand the issue. Can you please create a service request? To create one, follow the steps from the link below.
https://communities.bentley.com/products/w/products__wiki/24845/service-request-manager
برنامج staad rcdcفعإل على كمبيوتري نظام 64بت ولكنه لا يتصل بملفات mdb std edbما الحل ارجو المساعدة
Sir Same Problem In M system. Any Solution.
Please make sure that you have access to the license of the design code(s).
This can only happen if you have not activated the licenses. You need to activate the license.
https://communities.bentley.com/products/licensing/w/licensing__wiki/3135/configuring-structural-products-for-selectserver-tn
To check on it further, please create a service request.
I am having the same problem. It's very frustrating!