Clicking the first displayed chat causes an exception

[MatthewAWood]

when you click the first chat:

you get a null reference exception:
System.NullReferenceException: 'Object reference not set to an instance of an object.'
at AiTool3.MaxsAiStudio.<dgvConversations_CellClick>d__53.MoveNext() in C:Users<user>\source\repos\MaxsAiStudio\AiTool3\UI\Forms\MaxsAiStudio.cs:line 557