I created an external content typ in the sharepoint designer which takes my custom WCF Service as a data source. I sucessfully added all my required operations and created a new list based on the new content typ. At first I had a security issue which I got
resolved by editing my BDC configuration in the Central Administration. Now I face a new issue. When I open my external list the BDC Service gives me the following error message:
"Connection manager did not return valid connection."
Has someone a solution for this kind of message?
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