Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Possible null reference argument for parameter 'text' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'source' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'machineName' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'userName' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'processName' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'additionalInformation' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Possible null reference argument for parameter 'memberName' in 'Task AnalogyMessageProducer.Log(string text, string source, AnalogyLogLevel level, string category = "", string machineName = null, string userName = null, string processName = null, int processId = 0, int threadId = 0, Dictionary<string, string> additionalInformation = null, string memberName = "", long lineNumber = 0, string filePath = "")'.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).