Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v3, actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'exception' of 'void CompositeDefaultLogger.Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)' doesn't match implicitly implemented member 'void ILogger.Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)' (possibly because of nullability attributes).

Nullability in constraints for type parameter 'TState' of method 'CompositeDefaultLogger.BeginScope<TState>(TState)' doesn't match the constraints for type parameter 'TState' of interface method 'ILogger.BeginScope<TState>(TState)'. Consider using an explicit interface implementation instead.

Nullability of reference types in type of parameter 'exception' of 'void DefaultLogger.Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)' doesn't match implicitly implemented member 'void ILogger.Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)' (possibly because of nullability attributes).

Nullability in constraints for type parameter 'TState' of method 'DefaultLogger.BeginScope<TState>(TState)' doesn't match the constraints for type parameter 'TState' of interface method 'ILogger.BeginScope<TState>(TState)'. Consider using an explicit interface implementation instead.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'message' of 'bool MessageCache.TryGet(ulong messageId, out DiscordMessage? message)' doesn't match implicitly implemented member 'bool IMessageCacheProvider.TryGet(ulong messageId, out DiscordMessage? message)' (possibly because of nullability attributes).

The type 'TKey' cannot be used as type parameter 'TKey' in the generic type or method 'ConcurrentDictionary<TKey, TValue>'. Nullability of type argument 'TKey' doesn't match 'notnull' constraint.