insight crash when open utrace file

i generate utrace file by dedicate server in linux, with -NetTrace=1 flag.
when i open then utrace file with insight, insight tool crash, its stack as follow:

////////////////////////////
LoginId:91030600000000000000000000000000
EpicAccountId:3672d60b4f1b4cfeb3e7c7826332d98a

Assertion failed: IntFitsIn(In) [File:G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Runtime\Core\Public\Templates\UnrealTemplate.h] [Line: 183] Loss of data caused by narrowing conversion

UnrealInsights_TraceServices!TraceServices::FNetTraceAnalyzer::HandlePacketContentEvent() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceServices\Private\Analyzers\NetTraceAnalyzer.cpp:301]
UnrealInsights_TraceServices!TraceServices::FNetTraceAnalyzer::OnEvent() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceServices\Private\Analyzers\NetTraceAnalyzer.cpp:141]
UnrealInsights_TraceAnalysis!UE::Trace::FAnalyzerHub::OnEvent() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:1428]
UnrealInsights_TraceAnalysis!UE::Trace::FAnalysisBridge::OnEvent() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:1904]
UnrealInsights_TraceAnalysis!UE::Trace::FProtocol5Stage::DispatchEvents() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:3825]
UnrealInsights_TraceAnalysis!UE::Trace::FProtocol5Stage::DispatchEvents() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:3326]
UnrealInsights_TraceAnalysis!UE::Trace::FProtocol5Stage::OnDataNormal() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:3253]
UnrealInsights_TraceAnalysis!UE::Trace::FProtocol5Stage::OnData() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Engine.cpp:2977]
UnrealInsights_TraceAnalysis!UE::Trace::FAnalysisProcessor::FImpl::Run() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Developer\TraceAnalysis\Private\Analysis\Processor.cpp:59]
UnrealInsights_Core!FRunnableThreadWin::Run() [G:\work\ue5\fortunegame\Project\UnrealEngine\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:149]
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why was that?

my ue version is:5.2
ds start cmd:./myGameServer -server -nostdout -trace=cpu,frame,net -NetTrace=1 -tracefile=$utrfilename