Always release the downhaul and outhaul until the mast has no bend. Camber batten too tight, release a little batten tension. Cam is under-rotated, need less downhaul. Camber is over-bending, need more downhaul. Mast diameter is larger than normal, lengthen the webbing straps on the cam.
Foot batten over-tightened, release some tension on the foot batten.
Leech is too tight, try more downhaul. Sail is too deep, try more outhaul and downhaul. Mast is too stiff, check that you are using the correct mast. Sail is too flat, try less outhaul and downhaul. Mast is too soft, check that you are using the correct mast.