Please report this error to the mod author.

Error while running event visible-pollutants::on_player_changed_position (ID 100)
visible-pollutants/scripts/proximity.lua:138: attempt to index local 'last_player_cell' (a nil value)
stack traceback:
visible-pollutants/scripts/proximity.lua:138: in function 'add_sprites_near_player_if_moved'
visible-pollutants/scripts/proximity.lua:113: in function 'add_sprites_near_players_if_moved'
visible-pollutants/control.lua:63: in function <visible-pollutants/control.lua:62>
115456.612 Error ServerMultiplayerManager.cpp:84: MultiplayerManager failed: "The mod Pollution: Impactful Smog / Spore Cloud (1.4.3) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event visible-pollutants::on_player_changed_position (ID 100)
visible-pollutants/scripts/proximity.lua:138: attempt to index local 'last_player_cell' (a nil value)
stack traceback:
visible-pollutants/scripts/proximity.lua:138: in function 'add_sprites_near_player_if_moved'
visible-pollutants/scripts/proximity.lua:113: in function 'add_sprites_near_players_if_moved'
visible-pollutants/control.lua:63: in function <visible-pollutants/control.lua:62>"
115456.613 Info ServerMultiplayerManager.cpp:808: updateTick(6924246) changing state from(InGame) to(Failed)
115456.613 Quitting: multiplayer error.
115456.614 Info GlobalContext.cpp:775: Deleting active scenario.

I suspect the crash happens because" any planet start" is teleporting the new player to the new destination.