Prerequisites

• I am running the latest version of ComfyUI
• I have searched existing issues to make sure this isn't a duplicate
• I have tested with all custom nodes disabled (see how)

What happened?

TypeError: can't access property "type", app2.graph.links[l] is undefined

Steps to Reproduce

1. add a reroute
2. convert to subgraph
3. can't unpack subgraph

How is this affecting you?

Feature doesn't work as expected

ComfyUI Frontend Version

1.28.0

Browser

Firefox

Console Errors

Logs

Additional Context

No response

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