unreal keeps crashing when i open some certain vfx s

sometimes it crashes even when i open the folder they are in. but i can open them in another project with no problem.

[2024.03.07-23.18.35:103][233]LogNiagara: Compiling System NiagaraSystem /Game/000GeriyeKalanlar/01DownSkillBoss/FX_DownSkillBoss.FX_DownSkillBoss took 8.641440 sec (time since issued), 7.232164 sec (combined shader worker time).
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Float By Index’ attribute ‘Age’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Vector By Index’ attribute ‘Position’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Vector By Index’ attribute ‘Previous.Position’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Float By Index’ attribute ‘Age’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Vector By Index’ attribute ‘Position’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:627][250]LogNiagara: Warning: ParticleRead: Failed to ‘Get Vector By Index’ attribute ‘Previous.Position’ System ‘FX_DownSkillBoss’ Emitter ‘Core001’! Check that the attribute is named correctly.
[2024.03.07-23.18.35:725][251]LogConsoleManager: Warning: Console variable ‘r.ShaderCompiler.JobCache’ used in the render thread. Rendering artifacts could happen. Use ECVF_RenderThreadSafe or don’t use in render thread.
[2024.03.07-23.18.37:523][288]183689_FX_DownSkillBoss_MessageLog: System successfully compiled.
[2024.03.07-23.18.37:796][294]LogSlate: Window ‘FX_DownSkillBoss’ being destroyed
[2024.03.07-23.18.37:803][294]LogSlate: Window ‘FX_DownSkillBoss’ being destroyed
[2024.03.07-23.18.38:540][294]LogWorld: UWorld::CleanupWorld for World_1, bSessionEnded=true, bCleanupResources=true
[2024.03.07-23.18.38:540][294]LogSlate: InvalidateAllWidgets triggered. All widgets were invalidated
[2024.03.07-23.18.38:575][294]LogWorld: UWorld::CleanupWorld for World_2, bSessionEnded=true, bCleanupResources=true
[2024.03.07-23.18.38:576][294]LogSlate: InvalidateAllWidgets triggered. All widgets were invalidated
[2024.03.07-23.18.38:781][295]LogUObjectHash: Compacting FUObjectHashTables data took 3.21ms
[2024.03.07-23.18.42:074][612]LogAssetEditorSubsystem: Opening Asset editor for NiagaraSystem /Game/000GeriyeKalanlar/02YerKaldirmaBoss/FX_DownSkill.FX_DownSkill
[2024.03.07-23.18.44:077][612]LogStall: Stall detector ‘UAssetEditorSubsystem::OpenEditorForAsset’ exceeded budget of 2.000000s, reporting…
[2024.03.07-23.18.44:250][612]LogStall: Stall detector ‘UAssetEditorSubsystem::OpenEditorForAsset’ report submitted, and took 0.173939s
[2024.03.07-23.18.45:364][612]LogWorldSubsystemInput: UEnhancedInputDeveloperSettings::bEnableWorldSubsystem is false, the world subsystem will not be created!
[2024.03.07-23.18.45:364][612]LogChaos: FPhysicsSolverBase::AsyncDt:-1.000000
[2024.03.07-23.18.45:624][612]LogWorldSubsystemInput: UEnhancedInputDeveloperSettings::bEnableWorldSubsystem is false, the world subsystem will not be created!
[2024.03.07-23.18.45:624][612]LogChaos: FPhysicsSolverBase::AsyncDt:-1.000000
[2024.03.07-23.18.46:157][612]LogStall: Stall detector ‘UAssetEditorSubsystem::OpenEditorForAsset’ complete in 4.083920s (2.083920s overbudget)
[2024.03.07-23.18.46:240][612]LogViewport: Scene viewport resized to 378x423, mode Windowed.
[2024.03.07-23.18.46:456][613]LogConsoleManager: Warning: Console variable ‘FX.AllowGPUSorting’ used in the render thread. Rendering artifacts could happen. Use ECVF_RenderThreadSafe or don’t use in render thread.
[2024.03.07-23.18.47:583][617]LogWindows: Error: appError called: Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\RHICore\Public\RHICoreShader.h] [Line: 127]
Shader expected a uniform buffer at slot 3 but got null instead (Shader=‘’ UB=‘Strata’). Rendering code needs to set a valid uniform buffer for this slot.

pls help

How about delete them and reimport.

nope, that doesnt works. I copied whole content folder to another project, i can open them in another projects, i think problem is with my project

Migrate them, don’t just drag and drop folders across projects.

now i cant open them in any project