I rather not open a new bug report about - so hopefully, you'll excuse this thread/bug-report resurrection.
Custom game; Took the mission once I got my first Titan.
Couldn't finish the mission. (Usually one of the Khaak M1's will sneak in and kill the Leviathan before my GPPC ends his miserable life.)
Decided to wait until my HQ finish producing a another Titan (~48 hours of SETA

)
Went back in... and nothing.
Sadly enough, I didn't abort the mission (by loading a previous mission) as I assumed that the mission will either wait for me, or time-out.
Any idea what I can do? The mission is no where to be found, and killing the Leviathan will drop my rep to 0.
Can I somehow flip a switch in the script editor and restart the mission?
X3/Linux - v2.5.
XTM 07.3 patched to 0.7.5.
Number of minor scripts. (Merchant & Assassin guilds; AW satellite; Remote transporter; Advanced jump drive; x0ne turrets; EMP)
- Gilboa