Call to a member function getWorld() on null

[UnknownNull]

Describe the bug

2024-03-17 [18:27:53.771] [Server thread/CRITICAL]: Error: "Call to a member function getWorld() on null" (EXCEPTION) in "plugins/BedWars-master/src/sergittos/bedwars/game/team/Team" at line 180
--- Stack trace ---
  #0 plugins/BedWars-master/src/sergittos/bedwars/game/stage/PlayingStage(48): sergittos\bedwars\game\team\Team->addMember(object sergittos\bedwars\session\Session#74045)
  #1 plugins/BedWars-master/src/sergittos/bedwars/game/stage/Stage(18): sergittos\bedwars\game\stage\PlayingStage->onStart()
  #2 plugins/BedWars-master/src/sergittos/bedwars/game/Game(161): sergittos\bedwars\game\stage\Stage->start(object sergittos\bedwars\game\Game#174593)
  #3 plugins/BedWars-master/src/sergittos/bedwars/game/stage/StartingStage(37): sergittos\bedwars\game\Game->setStage(object sergittos\bedwars\game\stage\PlayingStage#260946)
  #4 plugins/BedWars-master/src/sergittos/bedwars/game/GameHeartbeat(26): sergittos\bedwars\game\stage\StartingStage->tick()