"Missing required files to cook for this platform." when trying to package my game for Windows

When I try to package my game for Windows, I get this error message. I tried deleting the save folder, changing packaging target, none worked…

Does anyone know a fix to this ?

Here is the log file :

Same here :frowning:

Apparently you guys have done something (or it hasn’t downloaded) to the Niagara File cause this is the Error:

  1. LogSlateStyle: Warning: Missing Resource from ‘NiagaraEditorStyle’ Style: ‘Unable to find Color ‘NiagaraEditor.AssetColors.EffectType’.’
    Niagara is a VFX handler for Ue4. so if you used any VFX it would not allow it to cook as there is something missing for Niagara.