If it rolled back to the point where you don't have the job crystals, check and see if youve completed the quest to obtain said job crystals in your journal. If not, leveling BLU would take about 3 hours if you can grab a friend (or someone willing to do it with you and waste some free time in limsa), and leveling RPR would take like... a day or two.

RPR does have less repercussions for losing it than BLU, though, because BLU has some hard to acquire spells... So if you can at least get them to restore that progress, then try.