OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

OPC Compliance error [M4.1]: there is more than one core properties relationship in the package ! POI will use only the first, but other software may reject this file.

System.NullReferenceException : Object reference not set to an instance of an object.

Target "Test" has thrown an exception

Process completed with exit code 1.

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: Found conflicts between different versions of "System.Threading.Tasks.Extensions" that could not be resolved. [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: There was a conflict between "System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" and "System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51". [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: "System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" was chosen because it was primary and "System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" was not. [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: References which depend on "System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" [C:\Users\runneradmin\.nuget\packages\system.threading.tasks.extensions\4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll]. [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: C:\Users\runneradmin\.nuget\packages\system.threading.tasks.extensions\4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: Project file item includes which caused reference "C:\Users\runneradmin\.nuget\packages\system.threading.tasks.extensions\4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll". [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: C:\Users\runneradmin\.nuget\packages\system.threading.tasks.extensions\4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: References which depend on or have been unified to "System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" []. [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]

C:\Program Files\dotnet\sdk\8.0.403\Microsoft.Common.CurrentVersion.targets(2412,5): warning MSB3277: C:\Users\runneradmin\.nuget\packages\sharpziplib\1.4.2\lib\netstandard2.0\ICSharpCode.SharpZipLib.dll [D:\a\npoi\npoi\testcases\main\NPOI.TestCases.Core.csproj::TargetFramework=net472]