Agentkit preview and publish problem "escalation"

Out of the sudden I cannot publish any new AgentKit template anymore. I also cannot preview them, because the input text field is disabled. While trying to publish I’m getting this, even with a new project w/o any other agent than the default one.

workflow_definition.nodes[1].config.escalation_enable…

Duplicate. Already reported elsewhere here. Getting error on agent builder saving "config_escalations_enabled"