Having this issue when trying to build and can’t find anything online about how to solve it! Maybe something misconfigured? Trying to build from source
Build started at 2:11 PM...
1>------ Build started: Project: UbaVisualizer, Configuration: Development x64 ------
2>------ Build started: Project: UbaTestApp, Configuration: Development x64 ------
3>------ Build started: Project: UbaTest, Configuration: Development x64 ------
4>------ Build started: Project: UbaStorageProxy, Configuration: Development x64 ------
5>------ Build started: Project: UbaObjTool, Configuration: Development x64 ------
6>------ Build started: Project: UbaNinja, Configuration: Development x64 ------
7>------ Build started: Project: UbaHost, Configuration: Development x64 ------
8>------ Build started: Project: UbaDetours, Configuration: Development x64 ------
9>------ Build started: Project: EpicGames.OIDC, Configuration: Development Any CPU ------
10>------ Build started: Project: EpicGames.MsBuild, Configuration: Development Any CPU ------
11>------ Build started: Project: EpicGames.UBA, Configuration: Development Any CPU ------
12>------ Build started: Project: EpicGames.Serialization, Configuration: Development Any CPU ------
1> Using bundled DotNet SDK version: 10.0 win-x64
2> Build.bat is already running, waiting for existing script to terminate...
3> Build.bat is already running, waiting for existing script to terminate...
4> Build.bat is already running, waiting for existing script to terminate...
5> Build.bat is already running, waiting for existing script to terminate...
6> Build.bat is already running, waiting for existing script to terminate...
1> UnrealBuildTool is up-to-date
1> Running UnrealBuildTool: dotnet "....\Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll" UbaVisualizer Win64 Development -WaitMutex -FromMsBuild -architecture=x64
7> Build.bat is already running, waiting for existing script to terminate...
8> Build.bat is already running, waiting for existing script to terminate...
1> Log file: C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Programs\UnrealBuildTool\Log.txt
1> Running from a path with a long directory name ("C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine" = 55 characters). Root paths shorter than 50 characters are recommended to avoid exceeding maximum path lengths on Windows.
1> Executing up to 6 actions based on MaxProcessorCount override
1> Using 'git status' to determine working set for adaptive non-unity build (C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine).
1> Creating makefile for UbaVisualizer (BuildConfiguration.xml is newer)
1> UbaServer - Listening on 0.0.0.0:1345
1> Waiting for 'git status' command to complete
1> Building UbaVisualizer...
1> ===== Toolchain Information =====
1> Using ISPC compiler (C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\ThirdParty\Intel\ISPC\bin\Windows\ispc.exe)
1> Intel(r) Implicit SPMD Program Compiler (Intel(r) ISPC), 1.24.0 (build commit @ 20250404, LLVM 18.1.2)
1> Using Visual Studio 14.50.35729 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools\VC\Tools\MSVC\14.50.35717) and Windows 10.0.22621.0 SDK (C:\Program Files (x86)\Windows Kits\10).
1> =================================
1> Using Unreal Build Accelerator local executor to run 12 action(s)
1> CPU 6 physical cores, 12 logical cores
1> Memory 63.82 GB physical, 126.96 GB/132.17 GB committed
1> UBA Storage capacity 40 GB
9> EpicGames.OIDC -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.OIDC\bin\Development\net10.0\EpicGames.OIDC.dll
10> EpicGames.MsBuild -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.MsBuild\bin\Development\net10.0\EpicGames.MsBuild.dll
13>------ Build started: Project: EpicGames.Perforce, Configuration: Development Any CPU ------
11> EpicGames.UBA -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.UBA\bin\Development\net10.0\EpicGames.UBA.dll
14>------ Build started: Project: EpicGames.Build, Configuration: Development Any CPU ------
15>------ Build started: Project: UbaCore, Configuration: Development x64 ------
12> EpicGames.Serialization -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Serialization\bin\Development\net10.0\EpicGames.Serialization.dll
16>------ Build started: Project: EpicGames.Horde, Configuration: Development Any CPU ------
15> Build.bat is already running, waiting for existing script to terminate...
14> EpicGames.Build -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Build\bin\Development\net10.0\EpicGames.Build.dll
17>------ Build started: Project: EpicGames.UHT, Configuration: Development Any CPU ------
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (56ms) - Low on memory (137.0gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (33ms) - Low on memory (136.7gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (33ms) - Low on memory (136.6gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (13ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (20ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (11ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (22ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (8ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (21ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (5ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (29ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (8ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (21ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (13ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (26ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (7ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (69ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (25ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (19ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (7ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (21ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (8ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (28ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (7ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (19ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (3ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (22ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (4ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (22ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (4ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (20ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (4ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (19ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (9ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (18ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (11ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (16ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (10ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (15ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (12ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (16ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (9ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (16ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (10ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (15ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (13ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (19ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (80ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (20ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
13> EpicGames.Perforce -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Perforce\bin\Development\net10.0\EpicGames.Perforce.dll
18>------ Build started: Project: EpicGames.BuildGraph, Configuration: Development Any CPU ------
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (330ms) - Low on memory (136.4gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (392ms) - Low on memory (136.5gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (43ms) - Low on memory (137.2gb/141.9gb). Kill threshold is 134.8gb
18> EpicGames.BuildGraph -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.BuildGraph\bin\Development\net10.0\EpicGames.BuildGraph.dll
19>------ Build started: Project: EpicGames.Perforce.Managed, Configuration: Development Any CPU ------
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (35ms) - Low on memory (136.9gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (7ms) - Low on memory (136.6gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (23ms) - Low on memory (136.5gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (7ms) - Low on memory (136.6gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (21ms) - Low on memory (136.5gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (17ms) - Low on memory (136.6gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (23ms) - Low on memory (136.5gb/141.9gb). Kill threshold is 134.8gb
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (12ms) - Low on memory (136.5gb/141.9gb). Kill threshold is 134.8gb
17> EpicGames.UHT -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.UHT\bin\Development\net10.0\EpicGames.UHT.dll
20>------ Build started: Project: EpicGames.Redis, Configuration: Development Any CPU ------
1> UbaSessionServer - Killed process Module.UbaCommon.1.cpp (Compile [x64]) (251ms) - Low on memory (137.3gb/141.9gb). Kill threshold is 134.8gb
19> EpicGames.Perforce.Managed -> C:\Users\chris\Documents\UnrealEngineBuild\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Perforce.Managed\bin\Development\net10.0\EpicGames.Perforce.Managed.dll
21>------ Build started: Project: EpicGames.Perforce.Fixture, Configuration: Development Any CPU ------
1> UbaSessionServer - Killed process Module.UbaCommon.2.cpp (Compile [x64]) (31ms) - Low on memory (136.9gb/141.9gb). Kill threshold is 134.8gb