Failed to get system info for World Generation

 Failed to get system info for World Generation
java.lang.NullPointerException: Cannot invoke "net.minecraft.world.level.storage.SaveData.B()" because "this.m" is null
        at net.minecraft.server.MinecraftServer.lambda$fillSystemReport$15(MinecraftServer.java:1692) ~[paper-1.19.jar:git-Paper-51]
        at net.minecraft.SystemReport.setDetail(SystemReport.java:61) ~[paper-1.19.jar:git-Paper-51]
        at net.minecraft.server.MinecraftServer.fillSystemReport(MinecraftServer.java:1691) ~[paper-1.19.jar:git-Paper-51]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1213) ~[paper-1.19.jar:git-Paper-51]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302) ~[paper-1.19.jar:git-Paper-51]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]