I have also the same issue.
Even if I try to remove mods, same thing occurs.
I had 12 Talent points and used them. Bought first 5 Master Duelist Column, worked fine.
Then bought 5 - Magica Resonance column, still worked fine.
I had 2 points. When I bought Experimenter, it worked fine then not long after I bought Spellcaster socialite.
That's when it stopped working. The bar would be max but then would reset to empty with no new Talent points added.
When I kept practicing magic or experimenting on cauldron, the bar would slowly go up abit then quickly fill up and empty again with no talent points added.
