Error when building the project

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hello everyone. I have been working on a multiplayer project for 3 months and this is literally all my experience in game development. at this stage, I want to build a game build for testing with friends and encountered the following errors during the build

UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/TextureDerivedDataTask.cpp] [Line: 106]
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Texture IconTexture has source art in an invalid format.
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffaad87ba99 KERNELBASE.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c7560216 UE4Editor-Core.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c7564218 UE4Editor-Core.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c728242d UE4Editor-Core.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c3df6acf UE4Editor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c3dd2f38 UE4Editor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c3ddebcf UE4Editor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c3ddccfe UE4Editor-Engine.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c12cb5c0 UE4Editor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c1303db3 UE4Editor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c131988f UE4Editor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c114e6a0 UE4Editor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff9c1178f4d UE4Editor-UnrealEd.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853ba02c UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853b0d2c UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853b10ba UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853b40dd UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853c5984 UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6853c78be UE4Editor-Cmd.exe!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffaae547344 KERNEL32.DLL!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffaaffa26b1 ntdll.dll!UnknownFunction
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: end: stack for UAT
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/TextureDerivedDataTask.cpp] [Line: 106]
PackagingResults: Error: Texture IconTexture has source art in an invalid format.
PackagingResults: Error: [Callstack] 0x00007ffaad87ba99 KERNELBASE.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c7560216 UE4Editor-Core.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c7564218 UE4Editor-Core.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c728242d UE4Editor-Core.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c3df6acf UE4Editor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c3dd2f38 UE4Editor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c3ddebcf UE4Editor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c3ddccfe UE4Editor-Engine.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c12cb5c0 UE4Editor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c1303db3 UE4Editor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c131988f UE4Editor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c114e6a0 UE4Editor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9c1178f4d UE4Editor-UnrealEd.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853ba02c UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853b0d2c UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853b10ba UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853b40dd UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853c5984 UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff6853c78be UE4Editor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ffaae547344 KERNEL32.DLL!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ffaaffa26b1 ntdll.dll!UnknownFunction
PackagingResults: Error: end: stack for UAT

what can cause this error? the project was created partly in C++, mostly blueprints

Screenshot_1
Screenshot_11667×1246 337 KB

2

Critical error:
Texture IconTexture has source art that is an invalid format

Double check the texture IconTexture and make sure it’s format is supported by unreal engine.

4

.png 512x512
supported? i think ya

image
image1857×961 163 KB

5

Perhaps you have a place in your project that held a texture that you deleted somewhere during development and it left an invalid pointer.

Either look for an empty texture variable in your project or maybe fixing up redirects could help.

It might also not be that specific texture. PNG 512x512 should be ok.