[Magisk] Fentadroid:
I don't know it this could help to find out the problem....

[ 03-07 11:40:48.620 1896: 3352 I/ActivityManager ]
START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.keramidas.TitaniumBackup/.MainActivity bnds=[540,72][804,386] (has extras)} from uid 10074 pid 3413 on display 0

[ 03-07 11:40:48.672 1896: 3292 I/ActivityManager ]
Start proc 6078:com.keramidas.TitaniumBackup/u0a288 for activity com.keramidas.TitaniumBackup/.MainActivity

[ 03-07 11:40:48.753 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user/0/com.keramidas.TitaniumBackup/cache: mkdir failed: EACCES (Permission denied)

[ 03-07 11:40:48.753 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user_de/0/com.keramidas.TitaniumBackup/code_cache: mkdir failed: ENOENT (No such file or directory)

[ 03-07 11:40:48.827 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user/0/com.keramidas.TitaniumBackup/shared_prefs: mkdir failed: EACCES (Permission denied)

[ 03-07 11:40:48.836 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user/0/com.keramidas.TitaniumBackup/shared_prefs: mkdir failed: EACCES (Permission denied)

[ 03-07 11:40:48.837 3413: 6093 D/AppTracker ]
App Event: stop

[ 03-07 11:40:48.868 6078: 6078 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/com.keramidas.TitaniumBackup_preferences.xml

[ 03-07 11:40:48.875 6078: 6078 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/com.keramidas.TitaniumBackup_preferences.xml

[ 03-07 11:40:48.878 6078: 6095 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/com.keramidas.TitaniumBackup_preferences.xml

[ 03-07 11:40:48.879 6078: 6095 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/_has_set_default_values.xml

[ 03-07 11:40:48.880 6078: 6078 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/com.keramidas.TitaniumBackup_preferences.xml

[ 03-07 11:40:48.880 6078: 6078 E/SharedPreferencesImpl ]
Couldn't create directory for SharedPreferences file /data/user/0/com.keramidas.TitaniumBackup/shared_prefs/com.keramidas.TitaniumBackup_preferences.xml

[ 03-07 11:40:48.884 6078: 6078 I/com.keramidas.TitaniumBackup.MainActivity ]
Main Activity is being created for the first time => scheduling next wake-up ...

[ 03-07 11:40:48.884 6078: 6078 I/o.cP ]
scheduleNextWakeup(): Invoked with idToExcludeForToday=null

[ 03-07 11:40:48.885 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user/0/com.keramidas.TitaniumBackup/databases: mkdir failed: EACCES (Permission denied)

[ 03-07 11:40:48.885 6078: 6078 E/SQLiteLog ]
(14) cannot open file at line 32456 of [bda77dda96]

[ 03-07 11:40:48.885 6078: 6078 E/SQLiteLog ]
(14) os_unix.c:32456: (2) open(/data/user/0/com.keramidas.TitaniumBackup/databases/schedules) -

[ 03-07 11:40:48.886 6078: 6078 E/SQLiteDatabase ]
Failed to open database '/data/user/0/com.keramidas.TitaniumBackup/databases/schedules'.
android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:209)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:193)
at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:463)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:185)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:177)
at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:835)
at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:820)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:723)
at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:697)
at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:290)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:223)
at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
at o.cP.ˊ(Source:191)
at com.keramidas.TitaniumBackup.MainActivity.onCreate(Source:360)
at android.app.Activity.performCreate(Activity.java:6745)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1134)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2655)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2788)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1503)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6209)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

[ 03-07 11:40:48.887 6078: 6078 E/SQLiteOpenHelper ]
Couldn't open schedules for writing (will try read-only):
android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:209)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:193)
at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:463)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:185)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:177)
at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:835)
at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:820)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:723)
at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:697)
at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:290)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:223)
at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
at o.cP.ˊ(Source:191)
at com.keramidas.TitaniumBackup.MainActivity.onCreate(Source:360)
at android.app.Activity.performCreate(Activity.java:6745)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1134)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2655)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2788)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1503)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6209)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

[ 03-07 11:40:48.887 6078: 6078 W/ContextImpl ]
Failed to ensure /data/user/0/com.keramidas.TitaniumBackup/databases: mkdir failed: EACCES (Permission denied)

[ 03-07 11:40:48.887 6078: 6078 E/SQLiteLog ]
(14) cannot open file at line 32456 of [bda77dda96]

[ 03-07 11:40:48.887 6078: 6078 E/SQLiteLog ]
(14) os_unix.c:32456: (2) open(/data/user/0/com.keramidas.TitaniumBackup/databases/schedules) -

[ 03-07 11:40:48.888 6078: 6078 E/SQLiteDatabase ]
Failed to open database '/data/user/0/com.keramidas.TitaniumBackup/databases/schedules'.
android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:209)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:193)
at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:463)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:185)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:177)
at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:835)
at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:820)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:723)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:234)
at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
at o.cP.ˊ(Source:191)
at com.keramidas.TitaniumBackup.MainActivity.onCreate(Source:360)
at android.app.Activity.performCreate(Activity.java:6745)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1134)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2655)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2788)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1503)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6209)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

[ 03-07 11:40:48.888 6078: 6078 D/AndroidRuntime ]
Shutting down VM

--------- beginning of crash
[ 03-07 11:40:48.888 6078: 6078 E/AndroidRuntime ]
FATAL EXCEPTION: main
Process: com.keramidas.TitaniumBackup, PID: 6078
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.keramidas.TitaniumBackup/com.keramidas.TitaniumBackup.MainActivity}: android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2702)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2788)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1503)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6209)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:209)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:193)
at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:463)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:185)
at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:177)
at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:835)
at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:820)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:723)
at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:234)
at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
at o.cP.ˊ(Source:191)
at com.keramidas.TitaniumBackup.MainActivity.onCreate(Source:360)
at android.app.Activity.performCreate(Activity.java:6745)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1134)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2655)
... 9 more

[ 03-07 11:40:48.889 6078: 6078 D/AppTracker ]
App Event: crash

[ 03-07 11:40:48.895 1896: 3292 W/ActivityManager ]
Force finishing activity com.keramidas.TitaniumBackup/.MainActivity

[ 03-07 11:40:48.900 1896: 3292 D/ActivityTrigger ]
ActivityTrigger activityPauseTrigger

[ 03-07 11:40:48.901 6078: 6078 I/Process ]
Sending signal. PID: 6078 SIG: 9

[ 03-07 11:40:48.907 1896: 6096 D/DropBoxManagerService ]
file :: /data/system/dropbox/data_app_crash@2017-03-07-11_40_48_902.txt

[ 03-07 11:40:48.911 1896: 2375 I/ActivityManager ]
Process com.keramidas.TitaniumBackup (pid 6078) has died

[ 03-07 11:40:48.911 1896: 2375 D/ActivityManager ]
cleanUpApplicationRecord -- 6078

[ 03-07 11:40:48.929 3413: 3413 D/Launcher ]
updateAutoAdvanceState autoAdvanceRunning = false, mAutoAdvanceRunning = false

[ 03-07 11:40:48.929 3413: 3413 D/RecyclerViewWrapper ]
onWindowVisibilityChanged:0

[ 03-07 11:40:48.946 1896: 2785 D/WindowManager ]
relayoutVisibleWindow: Window{281fdcd u0 net.oneplus.launcher/net.oneplus.launcher.Launcher EXITING} mAnimatingExit=true, mRemoveOnExit=false, mDestroying=false

[ 03-07 11:40:48.957 1896: 3369 W/BroadcastQueue ]
Permission Denial: receiving Intent { act=android.intent.action.DROPBOX_ENTRY_ADDED flg=0x10 (has extras) } to uk.amazon.mShop.android/com.amazon.mcc.crashreporter.android.CrashReportBroadcastReceiver requires android.permission.READ_LOGS due to sender android (uid 1000)

[ 03-07 11:40:48.966 3413: 3413 D/Launcher ]
onResume

[ 03-07 11:40:48.968 3413: 3413 D/FrequentAppsGrid ]
App icon adds to Shelf: ComponentInfo{com.keramidas.TitaniumBackup/com.keramidas.TitaniumBackup.MainActivity}

i hope to discover it magisk cause this.

Thanks in advance.

EDIT: sorry, deleted com.keramidas.* folder in data/0/ and it works now.... :)