I'm having problems synthesizing fuel for my SRV. I run around for awhile, then when need fuel and try to synth it, I'm told that I need an SRV! I have all the materials I need, but the system won't detect that fact that I have an SRV despite having just spent the past hour roaming around in one. It gives the same response for synthing ammo and repairs for the SRV. Thoughts?