New 15ft round above ground intex pool. Ground is almost perfectly level on pool floor (maybe 1/2 inch off). Jacked up and lifted 4 of the posts on the low side. Tried to correct that 1/2" by removing sand from under ground cover. All of a sudden part of pool is lifted off and some of the pressure went to the other end of the pool. Tried correcting by jacking up the legs on opposite end but the side that I dug up is still lifted and pool floor is bulging out.

Tried to lift again and refill with sand but no change. Any advice would be appreciated.