[ 10% 3700/33584] Checking API:  checksystemapi-last
FAILED: /mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/checksystemapi-last-timestamp
/bin/bash -c "(( /mnt/sda6/android/cm14-mako/out/host/linux-x86/bin/apicheck -JXmx1024m -J\"classpath /opt/icedtea-bin-3.1.0/bin/../lib/tools.jar:/mnt/sda6/android/cm14-mako/out/host/linux-x86/framework/doclava.jar:/mnt/sda6/android/cm14-mako/out/host/linux-x86/framework/jsilver.jar\"  -hide 2 -hide 3 -hide 4 -hide 5 -hide 6 -hide 24 -hide 25 -hide 26 -hide 27 -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 -error 16 -error 17 -error 18   prebuilts/sdk/system-api/24.txt  /mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-api.txt  frameworks/base/api/system-removed.txt  /mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-removed.txt || (  cat build/core/apicheck_msg_last.txt ; exit 38 ) ) ) && (mkdir -p /mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/ ) && (touch /mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/checksystemapi-last-timestamp )"
/mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-api.txt:5448: error 17: Field android.app.NotificationManager.IMPORTANCE_DEFAULT has changed value from 3 to 4
/mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-api.txt:5449: error 17: Field android.app.NotificationManager.IMPORTANCE_HIGH has changed value from 4 to 5
/mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-api.txt:5450: error 17: Field android.app.NotificationManager.IMPORTANCE_LOW has changed value from 2 to 3
/mnt/sda6/android/cm14-mako/out/target/common/obj/PACKAGING/system-api.txt:5451: error 17: Field android.app.NotificationManager.IMPORTANCE_MAX has changed value from 5 to 6

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You have tried to change the API from what has been previously released in
an SDK.  Please fix the errors listed above.