When trying to create a new project using Project Manager, the following error message is displayed. A folder is created but not recognized as a project folder.
Internal ErrorError Message: Exception has been thrown by the target of an invocation.TargetSite: System.Object _InvokeMethodFast(System.Object, System.Object, System.SignatureStruct ByRef, System.Reflection.MethodAttributes, System.RuntimeTypeHandle)DeclaringType: System.RuntimeMethodHandleAttributes: privateMemberType: Method
In one case this was caused by using a SQL login that did not meet the Minimum SQL user permissions for connecting the software to the project database. Specifically, the login had public, db_datareader, and db_datawriter roles, but the corresponding user had not been granted Execute permission on the database.
Follow the steps described in the Minimum SQL user permissions article.