Fix xperia z3 compact

Hi i have a big problem i wanted to root my xperia z3 compact so i unlocked the boot loader & i installed CWM Recovery v 6.0.4.7 the problem is when the phone start a pink light show up i can access to recovery mode when i press vol up but when i let it, it will be orange & reboot & the pink light show up again so i wiped data/factory reset but nothing happening & a message appear : E:unknown volume for path [/sd-ext] what's the soulution plz