Plsss How to fix that packging error?

UATHelper: Packaging (Windows (64-bit)): Running AutomationTool…
UATHelper: Packaging (Windows (64-bit)): Parsing command line: -ScriptsForProject=“D:/Unreal/P2019-020 - Lazada-Alibaba - EL/AlibabaOffice 5.0/AlibabaOffice_V1_4.uproject” BuildCookRun -nocompile -nocompileeditor -installed -nop4 -project=“D:/Unreal/P2019-020 - Lazada-Alibaba - EL/AlibabaOffice 5.0/AlibabaOffice_V1_4.uproject” -cook -stage -archive -archived
irectory=“D:/Unreal/P2019-020 - Lazada-Alibaba - EL/Alibaba_exe” -package -clientconfig=Shipping -ue4exe=UE4Editor-Cmd.exe -pak -prereqs -nodebuginfo -targetplatform=Win64 -utf8output
UATHelper: Packaging (Windows (64-bit)): Setting up ProjectParams for D:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\AlibabaOffice_V1_4.uproject
UATHelper: Packaging (Windows (64-bit)): While compiling C:\Users\hansoe.thet\AppData\Local\Temp\UAT\C+Program+Files+Epic+Games+UE_4.21\Rules\UATRules890836538.dll:
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(3,28) : error CS1514: { expected
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(3,30) : error CS1519: Invalid token ‘.2’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(3,39) : error CS1519: Invalid token ‘:’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(4,1) : error CS1519: Invalid token ‘{’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(5,25) : error CS1002: ; expected
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(5,27) : error CS1520: Method must have a return type
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(5,53) : error CS1002: ; expected
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(5,66) : error CS1519: Invalid token ‘)’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(7,8) : error CS1519: Invalid token ‘=’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(7,25) : error CS1519: Invalid token ‘;’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(8,23) : error CS1519: Invalid token ‘(’ in class, struct, or interface member declaration
UATHelper: Packaging (Windows (64-bit)): d:\Unreal\P2019-020 - Lazada-Alibaba - EL\AlibabaOffice 5.0\Intermediate\Source\AlibabaOffice v1.2.Target.cs(10,1) : error CS1022: Type or namespace definition, or end-of-file expected
UATHelper: Packaging (Windows (64-bit)): ERROR: Unable to compile source files.
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\hansoe.thet\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.21\Log.txt for full exception trace)
PackagingResults: Error: Unable to compile source files.
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Error