Not that I know of, and if I knew what caused it, I would share. The only thing I was doing prior was sparring, now no matter if I am meditating, or I am killing enemies, my EXP doesn't seem to go up. I will ask the other Jedi to see if anyone else had a similar issue.
This has been marked as acknowledged and marked as a bug that is being looked into.
This will remain unlocked in the case that more information becomes present.
// MOVING TO ACKNOWLEDGED REPORTS