You can go to your ps4 settings and make she that it records for 60 mins at a time. Just make sure before you start the run you double tap the share button to start the recording and then once it says that the clip had been saved make sure you double tap the share button again to start the next recording. After you finish the run make sure to double tap the share button for the last time to save the last recording. If some right you should only lose 2.5 seconds of footage in between each hour.

I honestly would need a video to be able to help you. It can be a number of issues.

The run would end after obtaining Ultima and then beating final Xemnas. That is how the other extended categories are.

@RioPeace I agree but then that would make Puzzles end after Final Xemnas for consistency.

#KH2Mod