Error on nth tick on module upgrade

[vfinn]

factorio-previous (crash updating modules).log

We have a bunch of players who have joined - game won't start again since the mod keeps crashing, so I can't tell you how many - but 20+
Six online at time of crash. Log attached. Game over :(

[vfinn]

https://drive.google.com/file/d/171aS1EhvS4xWK3uFCK-Awy-HCMs6c89y/view?usp=sharing

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