[Skript] Task #12 for Skript v2.4-beta8 generated an exception
java.lang.OutOfMemoryError: Java heap space
        at ch.njol.yggdrasil.DefaultYggdrasilInputStream.readString(DefaultYggdrasilInputStream.java:214) ~[?:?]
        at ch.njol.yggdrasil.YggdrasilInputStream.readObject(YggdrasilInputStream.java:183) ~[?:?]
        at ch.njol.yggdrasil.YggdrasilInputStream.readObject(YggdrasilInputStream.java:139) ~[?:?]
        at ch.njol.skript.registrations.Classes.deserialize(Classes.java:759) ~[?:?]
        at ch.njol.skript.registrations.Classes.deserialize(Classes.java:740) ~[?:?]
        at ch.njol.skript.variables.DatabaseStorage$5.call(DatabaseStorage.java:647) ~[?:?]
        at ch.njol.skript.variables.DatabaseStorage$5.call(DatabaseStorage.java:1) ~[?:?]
        at ch.njol.skript.util.Task.callSync(Task.java:167) ~[?:?]
        at ch.njol.skript.util.Task.callSync(Task.java:151) ~[?:?]
        at ch.njol.skript.variables.DatabaseStorage.loadVariables(DatabaseStorage.java:619) ~[?:?]
        at ch.njol.skript.variables.DatabaseStorage.load_i(DatabaseStorage.java:237) ~[?:?]
        at ch.njol.skript.variables.VariablesStorage.load(VariablesStorage.java:165) ~[?:?]
        at ch.njol.skript.variables.Variables.load(Variables.java:193) ~[?:?]
        at ch.njol.skript.Skript$2.run(Skript.java:522) ~[?:?]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.13.2.jar:git-Paper-632]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:449) ~[patched_1.13.2.jar:git-Paper-632]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1010) ~[patched_1.13.2.jar:git-Paper-632]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439) ~[patched_1.13.2.jar:git-Paper-632]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:940) ~[patched_1.13.2.jar:git-Paper-632]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:837) ~[patched_1.13.2.jar:git-Paper-632]
        at java.lang.Thread.run(Thread.java:834) [?:?]