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002128: The subnetwork controller name already exists.

Description

This applies when creating new subnetwork controllers or importing subnetwork controllers.

The subnetwork controller name must be unique within the specified tier.

See Create a subnetwork and review the requirements section and the Subnetworks table to see the properties for existing subnetwork controllers.

Solution

Ensure that the name used for the subnetwork controller is not used for the specified tier.