I have severe problems with connecting the gpsurl server,
Use the address in your mailbox if you like
Indeed, that is to be expected when everything is complete, but you miss everything you need.
When I made a mistake with TTActivator I lost the navcore, I'm very sure, I would try again if I had a problem, but to not wake them up there and no wiser than they are already I limit that rather as much as possible.
But what else could you do, possibly remove even more via TTActivator, so you will not get much further.
Maybe upload a suitable navcore via TTActivator to the Start 25, but I thought you would need it in ttpkg format.
I do have a few in that format, but which one should you have now that is the question