Bult-in tag group update problem 1.5.0p25 -> 1.6.0p27

Troubleshooting
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5

For my understanding the stack trace complains because tag group agent doesn’t exist:

and tag_groups["agent"] == "no-agent" \
KeyError: 'agent'

Are you sure that this tag group exist in 1.5 before you do the upgrade to 1.6?

regards

Michael