[prjkt.io] Lord_Flaya:
» [com.android.inputmethod.latin]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.inputmethod.latin.Transparent-signed.apk (Permission denied)

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

» [android]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/android.Transparent-signed.apk (Permission denied)

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

» [com.android.calculator2]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.calculator2.Transparent-signed.apk (Permission denied)

» [com.android.calculator2]: Installation of "com.android.calculator2" has failed.

» [com.android.server.telecom]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.server.telecom.Transparent-signed.apk (Permission denied)

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

» [com.android.cellbroadcastreceiver]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.cellbroadcastreceiver.Transparent-signed.apk (Permission denied)

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

» [com.android.contacts]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.contacts.Transparent-signed.apk (Permission denied)

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

» [com.android.documentsui]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.documentsui.Transparent-signed.apk (Permission denied)

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

» [com.google.android.googlequicksearchbox]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.google.android.googlequicksearchbox.Transparent-signed.apk (Permission denied)

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

» [com.google.android.apps.plus]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.google.android.apps.plus.Transparent-signed.apk (Permission denied)

» [com.google.android.apps.plus]: Installation of "com.google.android.apps.plus" has failed.

» [com.google.android.talk]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.google.android.talk.Transparent-signed.apk (Permission denied)

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

» [com.google.android.keep]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.google.android.keep.Transparent-signed.apk (Permission denied)

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

» [com.android.packageinstaller]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.packageinstaller.Transparent-signed.apk (Permission denied)

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

» [com.android.dialer]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.dialer.Transparent-signed.apk (Permission denied)

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

» [com.android.phone]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.phone.Transparent-signed.apk (Permission denied)

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

» [com.android.settings]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.settings.Transparent-signed.apk (Permission denied)

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

» [com.android.systemui]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.systemui.Transparent-signed.apk (Permission denied)

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

» [com.android.systemui.navbars]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/com.android.systemui.navbars.Transparent-signed.apk (Permission denied)

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

» [projekt.substratum]: APK could not be signed. java.io.FileNotFoundException: /storage/emulated/0/.substratum/projekt.substratum.Transparent-signed.apk (Permission denied)

» [projekt.substratum]: Installation of "projekt.substratum" has failed.

This is what I get on all themes. Running pure nexus 1/21