The type or namespace name 'EntityFrameworkCore' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)

The type or namespace name 'AspNetCore' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)

The type or namespace name 'AspNetCore' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)

Invalid base type

The type or namespace name 'ControllerBase' could not be found (are you missing a using directive or an assembly reference?)

Array size cannot be specified in a variable declaration (try initializing with a 'new' expression)

Type 'ControllerBase[]' in interface list is not an interface

The type or namespace name 'RouteAttribute' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Route' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'ApiControllerAttribute' could not be found (are you missing a using directive or an assembly reference?)

'SecurityPermissionAttribute' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityAction' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityPermissionAttribute' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityAction' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityPermissionAttribute' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityAction' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

Member 'UnexpectedApiResponseException.GetObjectData(SerializationInfo, StreamingContext)' overrides obsolete member 'Exception.GetObjectData(SerializationInfo, StreamingContext)'. Add the Obsolete attribute to 'UnexpectedApiResponseException.GetObjectData(SerializationInfo, StreamingContext)'.

'SecurityPermissionAttribute' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityAction' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)