Lysis is a normal variation in the spine and not a problem. One goes in the pain because of weakness of spinal muscle groups.
Next Steps
You need to strengthen your spinal muscles and eventually go for core training. initially you will have to do the exercises regularly but later as you practice you will be able to go towards core training.do atleast 2 times / week core training normally combining it with your cardio session.please avoid heavy lifting of weights until your core strength develops.
Health Tips
symptomatic electrotherapy can be taken for few days for pain.Remember your exercises are important and getting good extension and abdominal strength will control pain.