[Bug]: Shield Generator adjacency: Error running OnAdjacentTo script

[Basilisk3]

Describe the Bug

OnAdjacentTo (Shield Generator)

WARNING: Error running OnAdjacentTo script in Entity ueb4202 at ...: ...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua(787): table index is nil
         stack traceback:
         	...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua(787): in function <...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua:776>

OnAdjacentTo (Power Generator)

WARNING: Error running OnAdjacentTo script in Entity ueb1101 at ...: ...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua(787): table index is nil
         stack traceback:
         	...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua(787): in function <...ver\gamedata\lua.nx2\lua\sim\units\structureunit.lua:776>

Reproduce the bug

Build a grid of Tech 2 Shield Generators and Tech 1 Power Generators. Depending on how many you build, the error will be logged eventually. Best reporuced with UEF Tech 2 Shield Generators.

Screenshots

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Additional context

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