java.lang.NullPointerException: null
        at nl.martenm.surveyplus.survey.GuiSurvey.welcomePlayer(GuiSurvey.java:45) ~[?:?]
        at nl.martenm.surveyplus.objects.surveySessions.SurveySession$1.run(SurveySession.java:58) ~[?:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:99) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1351) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:378) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1264) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:996) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:174) ~[patched_1.16.4.jar:git-Tuinity-"8954b61"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]