Modpack version
.5.4
Describe the bug
Setting the tank null in sponge mode causes interna server errors. Unable to load back in as it generates error.

Logs
https://gist.github.com/Roukurai/10349c1f4bbd71879d86fc3d2eaf8d63

Thanks for the report. I'm not seeing any trace of the issue in the logs. Could you provide the server log?

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