Crash on contract configurator

[Stefano Uslenghi]

I have a crash where all the communication network is lost afterwards.

Exception occured while loading contract parameter 'RecoverKerbal' in contract 'BasesandStations.CrewRotation':
System.NullReferenceException: Object reference not set to an instance of an object
  at ContractConfigurator.Kerbal.SetCrew (ProtoCrewMember pcm) [0x0001f] in <b40d782df2ea45e2b96b853cb7fab1b5>:0 
  at ContractConfigurator.Kerbal..ctor (ProtoCrewMember pcm) [0x00006] in <b40d782df2ea45e2b96b853cb7fab1b5>:0 
  at ContractConfigurator.Kerbal.Load (ConfigNode node) [0x00041] in <b40d782df2ea45e2b96b853cb7fab1b5>:0 
  at ContractConfigurator.Parameters.RecoverKerbalCustom.OnParameterLoad (ConfigNode node) [0x0005b] in <b40d782df2ea45e2b96b853cb7fab1b5>:0 
  at ContractConfigurator.Parameters.ContractConfiguratorParameter.OnLoad (ConfigNode node) [0x000be] in <b40d782df2ea45e2b96b853cb7fab1b5>:0 

[jimmymcgoochie]

Hi,

There’s not a whole lot of information to go on here- ideally you should upload the log files (KSP.txt inside the KSP directory and Player.txt/Player.log, which on Windows is in C:/Users/your username here/AppData/LocalLow/Squad/Kerbal Space Program) to a file sharing site then link to them here so we can see them. Can you also provide the following info- version of KSP (and DLCs if you have them), a list of mods, with versions if possible, and what you were doing in the game when the exception occurred. Does the exception still happen if you reboot the game and load your save again?

Did you change something recently which resulted in this happening, a mod installed or updated or the game itself updated to 1.10(.1)? That’s a frequent cause of exceptions like this. If you got KSP through Steam, it’s pretty easy to roll back to an earlier version, but you should copy the entire game out of Steam’s control to avoid updates breaking mods.

And welcome to the forums!