Looks like related to placing demolishers or huge asteroids inside the lab.
171971.430 Error MainLoop.cpp:1432: Exception at tick 14916765: The mod Blueprint Sandboxes (2.2.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event blueprint-sandboxes::on_nth_tick(15)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__blueprint-sandboxes/scripts/god.lua:233: in function 'ShouldHandleEntity'
blueprint-sandboxes/scripts/god.lua:354: in function 'QueueUnhandledEntities'
blueprint-sandboxes/scripts/god.lua:374: in function 'QueueUnhandledEntitiesInOccupiedSandboxes'
blueprint-sandboxes/scripts/god.lua:429: in function <blueprint-sandboxes/scripts/god.lua:381>
171971.430 Error ServerMultiplayerManager.cpp:84: MultiplayerManager failed: "The mod Blueprint Sandboxes (2.2.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event blueprint-sandboxes::on_nth_tick(15)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__blueprint-sandboxes/scripts/god.lua:233: in function 'ShouldHandleEntity'
blueprint-sandboxes/scripts/god.lua:354: in function 'QueueUnhandledEntities'
blueprint-sandboxes/scripts/god.lua:374: in function 'QueueUnhandledEntitiesInOccupiedSandboxes'
blueprint-sandboxes/scripts/god.lua:429: in function <blueprint-sandboxes/scripts/god.lua:381>"