This is a good news/bad news kind of thing:
Good:
First you have reached prisim.level is 3 and here is the hint for Prism level 3
"End of current content for Prism. I do recommend going on a date and debating the super society once you have reached 40 on her rapport and enjoyment."
Bad:
However I have found a bug in the save/code. The new code 2.25/2.25a created a new variable "storyline.prismquest" and this has led to your save having two "quest" variables. (I don't believe its affected game play as there are no checks on this yet.)
- prismQuest: 20
- prismquest: 21
Saves that hit PrismQuest 21 in versions 2.2 and earlier probably work fine. but I'm guessing you did the majority of your prism quests, or the last part at least, in the current version? I
The level 21 quest is likely not going to work correctly going forwards though this is an easy fix for Myscra and I can easily give you instructions on how to fix this in your save if needed once the code has been fixed at the source.
Myscra there are 3 lines of code that are affected in 2.25a (a case sensitive search will show them to you. But 2881, 2882 and 41310 are the line numbers for me in notepad++)