Messed up my OPO while trying to flash ROM PLS HELPP

I flashed CyanogenMod 13 using TWRP and then flashed GAPPS but I was getting some errors so I figured I'd wipe the phone and try again. I wiped the device using TRWP and now literally everything is gone including the ROMs and I cant transfer the files from my computer... What can I do someone help pls

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