Warning: Legacy data detected in sequence ‘/Game/Sequences/SEQ_RoomPreview (SEQ_RoomPreview)’. This will cause deterministic cooking issues. Please resave the package.
UATHelper: Packaging (Windows (64-bit)): Cook: LogBlueprint: Warning: [Compiler TopDown] Set Input Mode Game And UI (Deprecated) is deprecated; Use the new version of Set Input Mode Game And UI instead
Engine is also looking for non-existent content for some reason
UATHelper: Packaging (Windows (64-bit)): Cook: LogLinker: Warning: Can’t find file ‘/Game/ArchVis/Materials/M_Ceramic_Mat_Inst’
UATHelper: Packaging (Windows (64-bit)): Cook: LogUObjectGlobals: Warning: Failed to load ‘/Game/ArchVis/Materials/M_Ceramic_Mat_Inst’: Can’t find file ‘/Game/ArchVis/Materials/M_Ceramic_Mat_Inst’
UATHelper: Packaging (Windows (64-bit)): Cook: LogLinker: Warning: Can’t find file ‘/Game/grass’
UATHelper: Packaging (Windows (64-bit)): Cook: LogUObjectGlobals: Warning: Failed to load ‘/Game/grass’: Can’t find file ‘/Game/grass’
And the main error in red:
UATHelper: Packaging (Windows (64-bit)): Cook: CookResults: Error: Package Native Shader Library failed for WindowsNoEditor.
Please help me resolve the issues, I am stock on this for week