As per the guide, there are 2 recommendations of how to mitigate this in compiler version 2. Fix Option 1 Add a projection on the entity in the service and use this as foo’s return type. This I already showcased in my previous answer - just use the p...
Looks like the problem here is that the referred entity in the action's param is declared outside of the service. If you use the projection Test, which is part of the service, the error should be resolved, like so:action insertMultipleTest(value : ar...
Unfortunately, this syntax is not yet supported in CAP CDL. As a workaround, you can create a native hdbview that contains the partition by logic and then declare a proxy entity in your CAP model as described in the guide here.