[Nexus 6P Themes and Apps] rajlulla:
I'm getting the following error whenever I try to install an overlay:

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_background_primary.xml:5: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_background_primary.xml:5: error: Error: Resource is not public. (at 'color' with value '@android:color/white').

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_tile_background.xml:4: error: No resource identifier found for attribute 'state_pressed' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_tile_background.xml:5: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_tile_background.xml:8: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_tile_background.xml:5: error: Error: Resource is not public. (at 'color' with value '@android:color/white').

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/qs_tile_background.xml:8: error: Error: Resource is not public. (at 'color' with value '@android:color/white').

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:2: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:5: error: No resource identifier found for attribute 'shape' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:6: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:7: error: No resource identifier found for attribute 'height' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:7: error: No resource identifier found for attribute 'width' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/recents_lock_to_task_button_bg.xml:6: error: Error: Resource is not public. (at 'color' with value '@android:color/white').

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/volume_dialog_background.xml:4: error: No resource identifier found for attribute 'color' in package 'android'

» [com.android.systemui]: /data/user/0/projekt.substratum/cache/SubstratumBuilder//res/drawable/volume_dialog_background.xml:4: error: Error: Resource is not public. (at 'color' with value '@android:color/white').

» [com.android.systemui]: Installation of "com.android.systemui" has failed.

» [com.android.systemui]: APK could not be signed. java.io.FileNotFoundException: /data/user/0/projekt.substratum/cache/SubstratumBuilder/com.android.systemui.AccentsforO-unsigned.apk: open failed: ENOENT (No such file or directory)

» [com.android.systemui]: Installation of "com.android.systemui" has failed.

I'm running DP3 on a 6P with EX Kernel and Magisk v13