[Q] Stuck in boot loop/recovery, can´t mount sdcard or cashe. topic

I have a LG G2 d802(Int.) and just updated from cm11 M3 to M4, and decided to wipe data/cashe and re-flash due to some force closing issues.

However, the phone just froze every time i tried. Couldn't do it from recovery or terminal or anything.

E: can´t mount /cashe/recovery/log
E: can´t open /cashe/recovery/log
E: can´t mount /cashe/recovery/last_log
E: can´t open /cashe/recovery/last_log

I think I went on to do something stupid as formatting cashe.
After this I´m stuck in boot loop or i can boot to recovery.
I thought I´d just flash the ROM .zip again(have worked before in similar situations) but now I got a E: can´t mount /sdcard
I cannot adb remount sdcard(internal) or cashe.
I´ve tried to sideload the .zip, but it freezes in "Installing package..."

How can I get out of this?
After reading post after post on forums, I haven't found any answers that helped me so far.