Please Help server crashes when trying to make timings report

java.lang.NullPointerException: Exception in server tick loop
at co.aikar.timings.TimingsExport.valAsJSON(TimingsExport.java:271)
at co.aikar.timings.TimingsExport.lambda$valAsJSON$6(TimingsExport.java:269)
at co.aikar.util.JSONUtil.toArrayMapper(JSONUtil.java:94)
at co.aikar.timings.TimingsExport.valAsJSON(TimingsExport.java:269)
at co.aikar.timings.TimingsExport.mapAsJSON(TimingsExport.java:260)
at co.aikar.timings.TimingsExport.valAsJSON(TimingsExport.java:274)
at co.aikar.timings.TimingsExport.mapAsJSON(TimingsExport.java:260)
at co.aikar.timings.TimingsExport.reportTimings(TimingsExport.java:207)
at co.aikar.timings.FullServerTickHandler.stopTiming(FullServerTickHandler.java:78)
at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:1127)
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:908)
at java.lang.Thread.run(Thread.java:748)

https://pastebin.com/dYhtkbbT