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.

Solution "D:\a\npoi\npoi\solution\NPOI.Core.Test.sln" has active build configurations for the build project. Either enable SuppressBuildProjectCheck on "Build.Solution" or remove the following entries from the solution file: " - {94B18BCF-84E8-401F-BAAB-0496AA136628}.Debug|Any CPU.Build.0 = Debug|Any CPU - {94B18BCF-84E8-401F-BAAB-0496AA136628}.Release|Any CPU.Build.0 = Release|Any CPU"

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(225,20): warning CS0114: 'CipherInputStream.Read(byte[])' hides inherited member 'InputStream.Read(byte[])'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.0]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(225,20): warning CS0114: 'CipherInputStream.Read(byte[])' hides inherited member 'InputStream.Read(byte[])'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.1]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(262,21): warning CS0114: 'CipherInputStream.Skip(long)' hides inherited member 'InputStream.Skip(long)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.0]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(262,21): warning CS0114: 'CipherInputStream.Skip(long)' hides inherited member 'InputStream.Skip(long)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.1]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(305,21): warning CS0114: 'CipherInputStream.MarkSupported()' hides inherited member 'ByteArrayInputStream.MarkSupported()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.0]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(305,21): warning CS0114: 'CipherInputStream.MarkSupported()' hides inherited member 'ByteArrayInputStream.MarkSupported()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.1]

D:\a\npoi\npoi\main\POIFS\FileSystem\POIFSFileSystem.cs(66,30): warning CS0108: 'POIFSFileSystem.CreateNonClosingInputStream(Stream)' hides inherited member 'NPOIFSFileSystem.CreateNonClosingInputStream(Stream)'. Use the new keyword if hiding was intended. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.0]

D:\a\npoi\npoi\main\POIFS\FileSystem\POIFSFileSystem.cs(66,30): warning CS0108: 'POIFSFileSystem.CreateNonClosingInputStream(Stream)' hides inherited member 'NPOIFSFileSystem.CreateNonClosingInputStream(Stream)'. Use the new keyword if hiding was intended. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=netstandard2.1]