[Samsung Galaxy S7 (Exynos) ROMs, Kernels, Recoveri] and8eye:
someone helps please, i cant boot up my phone anymore, redownloaded the ROM and still the same error :(

p/s: mounted "system, data, cache" under "Mount" setting

install log:

AROMA INSTALLER version 3.00
(c) 2013-2015 by amarullz.com

ROM Name : SuperStock-Româ„¢
ROM Version : V1.2
ROM Author : Tkkg1994
Device : SM-G930F/SM-G935F
Start at : Wed Dec 28 07:11:42 2016

Installing SuperStock-Rom for SM-G930F/G935F

SuperStock-Rom V1.2 Installer

Formatting system...

Creating filesystem with parameters:
Size: 4508876800
Block size: 4096
Blocks per group: 32768
Inodes per group: 8096
Inode size: 256
Journal blocks: 17200
Label:
Blocks: 1100800
Block groups: 34
Reserved block group size: 271
Created filesystem with 11/275264 inodes and 36659/1100800 blocks
warning: wipe_block_device: Wipe via secure discard failed, used discard instead

Mounting Partitions

mount: failed to mount /dev/block/platform/155a0000.ufs/by-name/CACHE at /cache: Device or resource busy
Dirty flash...
Extracting system...

Backing Up EFS...

about to run program [/tmp/efs_backup.sh] with 1 args
mount: mounting /dev/block/platform/155a0000.ufs/by-name/SYSTEM on /system failed: Device or resource busy
mount: mounting /dev/block/platform/155a0000.ufs/by-name/USERDATA on /data failed: Device or resource busy
mount: mounting /dev/block/platform/155a0000.ufs/by-name/EFS on /efs failed: Device or resource busy
mkdir: can't create directory '/data/media/0/SuperStock/EFS': No such file or directory
chmod: /data/media/0/SuperStock/EFS: No such file or directory
dd: can't open '/data/media/0/SuperStock/EFS/efs.img': No such file or directory
cp: can't stat '/system/build.prop': No such file or directory
Create EFS backup
run_program: child exited with status 10
Don't install any csc...
SM-G930F variant...
Installing stock emoji...
Installing Modded kernel Files...
Enable adblocking...
Installing Calculator...
Installing GalaxyAppStore...
Installing Gallery...
Installing MyFiles...
Installing Google Gmail...
Installing Youtube...
Installing sound mod level 3...
Extracting data...

Installing Xposed app...
Installing phh's supersu app...
Installing Busybox App...
Installing Magisk App...
Creating symlinks...

created [/system/app/AdvSoundDetector2015/lib]
created [/system/app/AdvSoundDetector2015/lib/arm64]
created [/system/priv-app/DefaultContainerService/lib]
created [/system/priv-app/DefaultContainerService/lib/arm64]
created [/system/app/PacProcessor/lib]
created [/system/app/PacProcessor/lib/arm64]
created [/system/app/Panorama360Viewer_Zero/lib]
created [/system/app/Panorama360Viewer_Zero/lib/arm64]
created [/system/app/NfcNci/lib]
created [/system/app/NfcNci/lib/arm64]
created [/system/app/SPrintSpooler6/lib]
created [/system/app/SPrintSpooler6/lib/arm64]
created [/system/app/TuiService]
created [/system/app/TuiService/lib]
created [/system/app/TuiService/lib/arm64]
created [/system/app/SapaMonitor/lib]
created [/system/app/SapaMonitor/lib/arm]
created [/system/app/AllshareFileShareServer]
created [/system/app/AllshareFileShareServer/lib]
created [/system/app/AllshareFileShareServer/lib/arm]
created [/system/app/AllshareFileShare]
created [/system/app/AllshareFileShare/lib]
created [/system/app/AllshareFileShare/lib/arm]
created [/system/app/AllshareMediaShare]
created [/system/app/AllshareMediaShare/lib]
created [/system/app/AllshareMediaShare/lib/arm]
created [/system/priv-app/SelectiveFocusViewer/lib]
created [/system/priv-app/SelectiveFocusViewer/lib/arm]
created [/system/app/Bluetooth/lib]
created [/system/app/Bluetooth/lib/arm]
created [/system/app/RootPA/lib]
created [/system/app/RootPA/lib/arm]
created [/system/priv-app/VirtualTourViewer_WQHD_Hero/lib]
created [/system/priv-app/VirtualTourViewer_WQHD_Hero/lib/arm]
created [/system/priv-app/WallpaperCompression/lib]
created [/system/priv-app/WallpaperCompression/lib/arm]
created [/system/priv-app/SVoice_1.0]
created [/system/priv-app/SVoice_1.0/lib]
created [/system/priv-app/SVoice_1.0/lib/arm]
created [/system/priv-app/SVoicePLM_1.0]
created [/system/priv-app/SVoicePLM_1.0/lib]
created [/system/priv-app/SVoicePLM_1.0/lib/arm]
created [/system/vendor/lib64/hw]
created [/system/vendor/lib/hw]
Setting Permissions...

Extracting boot image...

Installing SM-G930F SuperStock...
Installing Magisk V9 for systemless mods...
about to run program [/sbin/busybox] with 6 args
Archive: /temp/magisk/Magisk-v9.zip
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
about to run program [/sbin/busybox] with 6 args
Archive: /temp/magisk/Magisk-v9.zip
inflating: META-INF/MANIFEST.MF
inflating: META-INF/CERT.SF
inflating: META-INF/CERT.RSA
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
inflating: arm/bootimgtools
inflating: arm/busybox
inflating: arm/magiskhide
inflating: arm/resetprop
inflating: arm/sepolicy-inject
inflating: arm64/bootimgtools
inflating: arm64/busybox
inflating: arm64/magiskhide
inflating: arm64/resetprop
inflating: arm64/sepolicy-inject
inflating: chromeos/futility
inflating: chromeos/kernel.keyblock
inflating: chromeos/kernel_data_key.vbprivk
inflating: common/custom_ramdisk_patch.sh
inflating: common/file_contexts_image
inflating: common/init.magisk.rc
inflating: common/magic_mask.sh
inflating: common/magiskhide/add
inflating: common/magiskhide/list
inflating: common/magiskhide/rm
inflating: x64/bootimgtools
inflating: x64/busybox
inflating: x64/magiskhide
inflating: x64/resetprop
inflating: x64/sepolicy-inject
inflating: x86/bootimgtools
inflating: x86/busybox
inflating: x86/magiskhide
inflating: x86/resetprop
inflating: x86/sepolicy-inject
*****************************
Magisk v9 Boot Image Patcher
*****************************
- Mounting /system(ro), /cache, /data
- Device platform: arm64
chmod: /futility: No such file or directory
- Constructing environment
- Creating /data/magisk.img
Creating filesystem with parameters:
Size: 67108864
Block size: 4096
Blocks per group: 32768
Inodes per group: 4096
Inode size: 256
Journal blocks: 1024
Label:
Blocks: 16384
Block groups: 1
Reserved block group size: 7
Created filesystem with 11/4096 inodes and 1294/16384 blocks
mknod: /dev/block/loop0: File exists
- Mounting /data/magisk.img to /magisk
- Found Boot Image: /dev/block/sda5
- Unpacking boot image
19567 blocks
- Creating backups
81920+0 records in
81920+0 records out
41943040 bytes (40.0MB) copied, 0.393442 seconds, 101.7MB/s
- Patching ramdisk
(Android M policy compatibility mode)
source type su does not exist: 0,2679
libsepol.policydb_index_others: security: 1 users, 2 roles, 2678 types, 0 bools
libsepol.policydb_index_others: security: 1 sens, 1024 cats
libsepol.policydb_index_others: security: 87 classes, 29475 rules, 0 cond rules
libsepol.policydb_index_others: security: 1 users, 2 roles, 2679 types, 0 bools
libsepol.policydb_index_others: security: 1 sens, 1024 cats
libsepol.policydb_index_others: security: 87 classes, 29475 rules, 0 cond rules
- Repacking boot image
- Flashing new boot image
9853+1 records in
9853+1 records out
40357904 bytes (38.5MB) copied, 0.247769 seconds, 155.3MB/s
- Unmounting partitions
losetup: /dev/block/loop0: No such device or address
- Done

Installing Magisk phh's root r266-2...
about to run program [/sbin/busybox] with 6 args
Archive: /temp/root/phh-superuser-magisk-r266-2.zip
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
about to run program [/sbin/busybox] with 6 args
Archive: /temp/root/phh-superuser-magisk-r266-2.zip
inflating: config.sh
Archive: /temp/root/phh-superuser-magisk-r266-2.zip
inflating: META-INF/MANIFEST.MF
inflating: META-INF/CERT.SF
inflating: META-INF/CERT.RSA
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
inflating: README.md
inflating: arm/sepolicy-inject
inflating: arm/su
inflating: arm64/sepolicy-inject
inflating: arm64/su
inflating: changelog.txt
inflating: common/file_contexts_image
inflating: common/post-fs-data.sh
inflating: common/service.sh
inflating: config.sh
inflating: module.prop
inflating: x64/sepolicy-inject
inflating: x64/su
inflating: x86/sepolicy-inject
inflating: x86/su
********************************
phh's Superuser (Magisk Version)
********************************
******************************
Powered by Magisk (@topjohnwu)
******************************
- Mounting /system(ro), /vendor(ro), /data, /cache
- /data/magisk.img detected!
/data/magisk.img: 16/4096 files (0.0% non-contiguous), 1299/16384 blocks
mknod: /dev/block/loop0: File exists
- Mounting /data/magisk.img to /magisk
- Copying files
- Setting permissions
- Unmounting partitions
/data/magisk.img: 23/4096 files (0.0% non-contiguous), 1554/16384 blocks
- Done

Installing Busybox...
about to run program [/sbin/busybox] with 6 args
Archive: /tmp/busybox/UPDATE-Busybox.Installer.v1.25.1-ALL-signed.zip
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
about to run program [/sbin/busybox] with 6 args

Busybox Installer Script
by osm0sis @ xda-developers

Mounting...
mount: mounting /dev/block/sda18 on /data failed: Device or resource busy
mount: mounting /dev/block/sda15 on /cache failed: Device or resource busy

Extracting files...
Archive: /tmp/busybox/UPDATE-Busybox.Installer.v1.25.1-ALL-signed.zip
inflating: META-INF/MANIFEST.MF
inflating: META-INF/CERT.SF
inflating: META-INF/CERT.RSA
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
inflating: busybox-arm
inflating: busybox-arm64
inflating: busybox-mips
inflating: busybox-mips64
inflating: busybox-x86
inflating: busybox-x86_64

Installing...
Using architecture: arm64
Using path: /system/xbin

Cleaning...

Creating symlinks...

Unmounting...
umount: can't umount /su: No such file or directory

Done!

Installing Xposed V87.1 systemless...
about to run program [/sbin/busybox] with 6 args
Archive: /temp/xposed/xposed-v87.1-sdk23-systemless.zip
creating: META-INF/com/google/android/
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
about to run program [/sbin/busybox] with 6 args
Archive: /temp/xposed/xposed-v87.1-sdk23-systemless.zip
inflating: config.sh
Archive: /temp/xposed/xposed-v87.1-sdk23-systemless.zip
creating: META-INF/
creating: META-INF/com/
creating: META-INF/com/google/
creating: META-INF/com/google/android/
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
inflating: README.md
creating: arm/
creating: arm/system/
creating: arm/system/bin/
inflating: arm/system/bin/app_process32
inflating: arm/system/bin/dex2oat
inflating: arm/system/bin/oatdump
inflating: arm/system/bin/patchoat
creating: arm/system/lib/
inflating: arm/system/lib/libart-compiler.so
inflating: arm/system/lib/libart-disassembler.so
inflating: arm/system/lib/libart.so
inflating: arm/system/lib/libsigchain.so
inflating: arm/system/lib/libxposed_art.so
inflating: arm/system/xposed.prop
creating: arm64/
creating: arm64/system/
creating: arm64/system/bin/
inflating: arm64/system/bin/app_process32
inflating: arm64/system/bin/app_process64
inflating: arm64/system/bin/dex2oat
inflating: arm64/system/bin/oatdump
inflating: arm64/system/bin/patchoat
creating: arm64/system/lib/
inflating: arm64/system/lib/libart-compiler.so
inflating: arm64/system/lib/libart.so
inflating: arm64/system/lib/libsigchain.so
inflating: arm64/system/lib/libxposed_art.so
creating: arm64/system/lib64/
inflating: arm64/system/lib64/libart-disassembler.so
inflating: arm64/system/lib64/libart.so
inflating: arm64/system/lib64/libsigchain.so
inflating: arm64/system/lib64/libxposed_art.so
inflating: arm64/system/xposed.prop
inflating: changelog.txt
creating: common/
inflating: common/XposedBridge.jar
inflating: common/file_contexts_image
inflating: common/helper.prop
inflating: common/helper.sh
inflating: common/post-fs-data.sh
inflating: config.sh
inflating: module.prop
creating: x86/
creating: x86/system/
creating: x86/system/bin/
inflating: x86/system/bin/app_process32
inflating: x86/system/bin/dex2oat
inflating: x86/system/bin/oatdump
inflating: x86/system/bin/patchoat
creating: x86/system/lib/
inflating: x86/system/lib/libart-compiler.so
inflating: x86/system/lib/libart-disassembler.so
inflating: x86/system/lib/libart.so
inflating: x86/system/lib/libsigchain.so
inflating: x86/system/lib/libxposed_art.so
inflating: x86/system/xposed.prop
*******************************
Xposed framework installer zip
*******************************
******************************
Powered by Magisk (@topjohnwu)
******************************
- Mounting /system(ro), /vendor(ro), /data, /cache
- Xposed version: 87.1 (Systemless by topjohnwu)
- Device platform: arm64
- /data/magisk.img detected!
/data/magisk.img: 23/4096 files (0.0% non-contiguous), 1554/16384 blocks
mknod: /dev/block/loop0: File exists
- Mounting /data/magisk.img to /magisk
- Copying files
- Setting permissions
- Unmounting partitions
/data/magisk.img: 46/4096 files (0.0% non-contiguous), 5899/16384 blocks
- Done

Wiping dalvik and tmp

unmount of /system failed; no such volume
SuperStock-Rom Installed
Please Reboot now
script succeeded: result was [Please Reboot now]

Installer Sucessfull (Status 0)

End at : Wed Dec 28 07:12:40 2016