Electrical problem.

[Adampeay]

http://i.imgur.com/vcEwQ1S.png

It says my electrical charge is NaN/3000. Im not sure what this means. I think it is preventing mechjeb from working because it won't do any maneuvers with this up.

[Killerdude8]

Oh, your'e using Mehcjeb.

It's a mod, and mods can do that to your game. You could try save editing your Electrical Resource, That might help.

[SkyRender]

As I understand it, ol' JechMeb hasn't been updated for 0.23.5, so it's a bit unstable right now. Your options if you want a stable experience are 1.) do without, or 2.) run 0.23 until it gets updated. Sorry, that's how the cookie crumbles sometimes!

[Pecan]

The 'official' build of MJ isn't 0.23.5 compatible but the dev builds are - see the link in the add-ons forum.

Also, often when you undock/separate MJ doesn't necessarily know which core/pod you're controlling from and it 'dithers' and does nothing. Right-click one and 'control from here'.