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1. In project "Issues2", insert a class 'SomeClass". 2. In project "Issues", insert a Class Diagram 1 on which you put an interface "MyInterface". 3. Drag "SomeClass" from project "Issues2" to Class Diagram 1 of "Issues" (gets shown as imported from Issues2). 4. Draw an Implementation arrow from "SomeClass" to "MyInterface". 5. In project "Issues", insert another Class Diagram 2. 6. Drag "MyInterface" to Class Diagram 2. 7. Drag "SomeClass" to Class Diagram 2. The implementation relationship is not shown, neither is there a way to get it shown. Adding an implementation relationship between the two would lead to another implementation relationship in the model, which is not correct. The two projects containing the described content will get uploaded.
Created attachment 73867 [details] The projects Issues and Issues2 as described in the ticket
I also get this effect if the second element is not imported from another project, although the error doesn't occur reliably.
will look if can be fixed in 7.0.