[Motorola Droid 4] Milp:
I wasn't able to flash the latest (12-13-13) build via twrp recovery 2.6.3.1 on my xt894

this is where it goes wrong, right after extracting the files:

minzip: Error writing 32768 bytes from zip file from 0xbe9e559c: Read-only file system
minzip: Process function elected to fail (in inflate)
minzip: Can't extract entry to file.
minzip: Error extracting "/system/xbin/su"
symlink: failed to remove /system/bin/su: Read-only file system
symlink: failed to symlink /system/bin/su to ../xbin/su: File exists
script aborted: symlink: some symlinks failed
symlink: some symlinks failed
E:Error executing updater binary in zip '/sdcard-ext/Gummy2.zip'
rm: can't remove '/system/etc/safestrap/res/background-blank.png': Read-only file system
rm: can't remove '/system/etc/safestrap/res/splashkeys.atmxt-i2c': Read-only file system
rm: can't remove '/system/etc/safestrap/res/background-nonsafe.png': Read-only file system
rm: can't remove '/system/etc/safestrap/res/background-safe.png': Read-only file system
rm: can't remove '/system/etc/safestrap/res': Read-only file system
rm: can't remove '/system/etc/safestrap/2nd-init.zip': Read-only file system
rm: can't remove '/system/etc/safestrap/safestrapmenu': Read-only file system
rm: can't remove '/system/etc/safestrap/ss_function.sh': Read-only file system
rm: can't remove '/system/etc/safestrap/rootfs': Read-only file system
rm: can't remove '/system/etc/safestrap/flags/recovery_mode': Read-only file system
rm: can't remove '/system/etc/safestrap/flags/version': Read-only file system
rm: can't remove '/system/etc/safestrap/flags': Read-only file system
rm: can't remove '/system/etc/safestrap/bbx': Read-only file system
rm: can't remove '/system/etc/safestrap/ss.config': Read-only file system
rm: can't remove '/system/etc/safestrap/ramdisk-recovery.img': Read-only file system
rm: can't remove '/system/etc/safestrap': Read-only file system
cp: can't create '/system/etc/safestrap/ramdisk-recovery.img': File exists
cp: can't create '/system/etc/safestrap/ss.config': File exists
cp: can't create '/system/etc/safestrap/bbx': File exists
cp: can't create '/system/etc/safestrap/flags/version': File exists
cp: can't create '/system/etc/safestrap/flags/recovery_mode': File exists
cp: can't create '/system/etc/safestrap/ss_function.sh': File exists
cp: can't create '/system/etc/safestrap/safestrapmenu': File exists
cp: can't create '/system/etc/safestrap/2nd-init.zip': File exists
cp: can't create '/system/etc/safestrap/res/background-safe.png': File exists
cp: can't create '/system/etc/safestrap/res/background-nonsafe.png': File exists
cp: can't create '/system/etc/safestrap/res/splashkeys.atmxt-i2c': File exists
cp: can't create '/system/etc/safestrap/res/background-blank.png': File exists
chown: /system/etc/safestrap/res/background-blank.png: Read-only file system
chown: /system/etc/safestrap/res/splashkeys.atmxt-i2c: Read-only file system
chown: /system/etc/safestrap/res/background-nonsafe.png: Read-only file system
chown: /system/etc/safestrap/res/background-safe.png: Read-only file system
chown: /system/etc/safestrap/res: Read-only file system
chown: /system/etc/safestrap/res: Read-only file system
chown: /system/etc/safestrap/2nd-init.zip: Read-only file system
chown: /system/etc/safestrap/safestrapmenu: Read-only file system
chown: /system/etc/safestrap/ss_function.sh: Read-only file system
chown: /system/etc/safestrap/rootfs: Read-only file system
chown: /system/etc/safestrap/rootfs: Read-only file system
chown: /system/etc/safestrap/flags/recovery_mode: Read-only file system
chown: /system/etc/safestrap/flags/version: Read-only file system
chown: /system/etc/safestrap/flags: Read-only file system
chown: /system/etc/safestrap/flags: Read-only file system
chown: /system/etc/safestrap/bbx: Read-only file system
chown: /system/etc/safestrap/ss.config: Read-only file system
chown: /system/etc/safestrap/ramdisk-recovery.img: Read-only file system
chown: /system/etc/safestrap: Read-only file system
chown: /system/etc/safestrap: Read-only file system
chmod: /system/etc/safestrap/bbx: Read-only file system
chmod: /system/etc/safestrap/ss_function.sh: Read-only file system
chmod: /system/etc/safestrap/safestrapmenu: Read-only file system
cp: can't create '/system/bin/logwrapper': File exists
chown: /system/bin/logwrapper: Read-only file system
chmod: /system/bin/logwrapper: Read-only file system
Error flashing zip '/sdcard-ext/Gummy2.zip'
Updating partition details...
I:Updating /etc/fstab...I:Fstab: Adding /dev/block/mmcblk0p1 /sdcard-ext vfat rw
I:Fstab: Adding /dev/block/mmcblk1p25 /sdcard vfat rw
I:Fstab: Adding /dev/block/mmcblk1p24-orig /data ext3 rw
I:Fstab: Adding /dev/block/mmcblk1p21-orig /cache ext3 rw
I:Fstab: Adding /dev/block/mmcblk1p20-orig /system ext3 rw
I:Fstab: Adding /dev/block/mmcblk1p23 /osh ext3 rw
I:Fstab: Adding /dev/block/mmcblk1p20-orig /systemorig ext3 rw
I:Fstab: Adding /dev/block/mmcblk1p25 /ss vfat rw
I:Set page: 'flash_done'
I:Set page: 'clear_vars'
I:Set page: 'install'
I:Set page: 'main'
not found: tw_rom-slot1_name=ROM-Slot-1
not found: tw_rom-slot2_name=ROM-Slot-2
not found: tw_rom-slot3_name=ROM-Slot-3
not found: tw_rom-slot4_name=ROM-Slot-4
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Set page: 'advanced'
I:Set page: 'confirm_action'
I:Set page: 'action_page'
I:Copying file /tmp/recovery.log to /sdcard-ext/recovery.log

The driod 4 was running rooted verizon android 4.0.4 with safestrap 3.65

Am i doing something wrong?